List of former United States senators

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This is a complete list of all people who previously served in the United States Senate. As of August 2025, a total of 2,018 persons have served in the senate (including those currently serving).[1]

In the party affiliation column, if a senator switched parties and served non-consecutive terms, their affiliation for each term is listed on the corresponding line. If one of these senators also served multiple non-consecutive terms with the same party, a quotation mark indicates that their affiliation did not change between that term and their preceding term.

## List of former senators

[edit]

Senator | Years | Class | State | Party | Lifespan

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Joseph Carter Abbott | 1868–1871 | 2 | North Carolina | Republican | 1825–1881
James Abdnor | 1981–1987 | 3 | South Dakota | Republican | 1923–2012
Hazel Abel | 1954 | 2 | Nebraska | Republican | 1888–1966
James Abourezk | 1973–1979 | 2 | South Dakota | Democratic | 1931–2023
Spencer Abraham | 1995–2001 | 1 | Michigan | Republican | 1952–present
John Adair | 1805–1806 | 3 | Kentucky | Democratic-Republican | 1757–1840
Alva B. Adams | 1923–1924
1933–1941 | 3 | Colorado | Democratic | 1875–1941
Brock Adams | 1987–1993 | 3 | Washington | Democratic | 1927–2004
John Quincy Adams | 1803–1808 | 1 | Massachusetts | Federalist | 1767–1848
Robert H. Adams | 1830 | 2 | Mississippi | Democratic | 1792–1830
Stephen Adams | 1852–1857 | 1 | Mississippi | Democratic | 1807–1857
George Aiken | 1941–1975 | 3 | Vermont | Republican | 1892–1984
Daniel Akaka | 1990–2013 | 1 | Hawaii | Democratic | 1924–2018
James L. Alcorn | 1871–1877 | 2 | Mississippi | Republican | 1816–1894
Nelson W. Aldrich | 1881–1911 | 1 | Rhode Island | Republican | 1841–1915
Lamar Alexander | 2003–2021 | 2 | Tennessee | Republican | 1940–present
Russell A. Alger | 1902–1907 | 2 | Michigan | Republican | 1836–1907
Wayne Allard | 1997–2009 | 2 | Colorado | Republican | 1943–present
J. Frank Allee | 1903–1907 | 2 | Delaware | Republican | 1857–1938
George Allen | 2001–2007 | 1 | Virginia | Republican | 1952–present
Henry J. Allen | 1929–1930 | 2 | Kansas | Republican | 1868–1950
James Allen | 1969–1978 | 3 | Alabama | Democratic | 1912–1978
John B. Allen | 1889–1893
1893 | 1 | Washington | Republican | 1845–1903
Maryon Pittman Allen | 1978 | 3 | Alabama | Democratic | 1925–2018
Philip Allen | 1853–1859 | 2 | Rhode Island | Democratic | 1785–1865
William Allen | 1837–1849 | 3 | Ohio | Democratic | 1803–1879
William V. Allen | 1893–1899
1899–1901 | 1 | Nebraska | Populist | 1847–1924
William B. Allison | 1873–1908 | 3 | Iowa | Republican | 1829–1908
Gordon Allott | 1955–1973 | 2 | Colorado | Republican | 1907–1989
Adelbert Ames | 1870–1874 | 1 | Mississippi | Republican | 1835–1933
Alexander O. Anderson | 1840–1841 | 2 | Tennessee | Democratic | 1794–1869
Clinton Anderson | 1949–1973 | 2 | New Mexico | Democratic | 1895–1975
Joseph Anderson | 1797–1815 | 1, 2 | Tennessee | Democratic-Republican | 1757–1837
Wendell R. Anderson | 1976–1978 | 2 | Minnesota | Democratic | 1933–2016
Charles O. Andrews | 1936–1946 | 1 | Florida | Democratic | 1877–1946
Mark Andrews | 1981–1987 | 3 | North Dakota | Republican | 1926–2020
Levi Ankeny | 1903–1909 | 3 | Washington | Republican | 1844–1921
Henry B. Anthony | 1859–1884 | 2 | Rhode Island | Republican | 1815–1884
William S. Archer | 1841–1847 | 2 | Virginia | Whig | 1789–1855
David H. Armstrong | 1877–1879 | 3 | Missouri | Democratic | 1812–1893
John Armstrong Jr. | 1800–1802
1803–1804 | 1, 3 | New York | Democratic-Republican | 1758–1843
William L. Armstrong | 1979–1991 | 2 | Colorado | Republican | 1937–2016
Samuel G. Arnold | 1862–1863 | 1 | Rhode Island | Republican | 1821–1880
John Ashcroft | 1995–2001 | 1 | Missouri | Republican | 1942–present
Chester Ashley | 1844–1848 | 2 | Arkansas | Democratic | 1790–1848
Eli P. Ashmun | 1816–1818 | 1 | Massachusetts | Federalist | 1770–1819
Henry F. Ashurst | 1912–1941 | 1 | Arizona | Democratic | 1874–1962
David Rice Atchison | 1843–1855 | 3 | Missouri | Democratic | 1807–1886
Charles G. Atherton | 1843–1849
1853 | 2, 3 | New Hampshire | Democratic | 1804–1853
Warren Austin | 1931–1946 | 1 | Vermont | Republican | 1877–1962
Kelly Ayotte | 2011–2017 | 3 | New Hampshire | Republican | 1968–present
Nathan L. Bachman | 1933–1937 | 2 | Tennessee | Democratic | 1878–1937
Augustus O. Bacon | 1895–1914 | 2 | Georgia | Democratic | 1839–1914
George Edmund Badger | 1846–1855 | 1 | North Carolina | Whig | 1795–1866
Arthur P. Bagby | 1841–1848 | 1 | Alabama | Democratic | 1794–1858
James E. Bailey | 1877–1881 | 3 | Tennessee | Democratic | 1822–1885
Joseph W. Bailey | 1901–1913 | 2 | Texas | Democratic | 1862–1929
Josiah Bailey | 1931–1946 | 2 | North Carolina | Democratic | 1873–1946
Theodorus Bailey | 1803–1804 | 1 | New York | Democratic-Republican | 1758–1828
David Baird Jr. | 1929–1930 | 2 | New Jersey | Republican | 1881–1955
David Baird Sr. | 1918–1919 | 2 | New Jersey | Republican | 1839–1927
David J. Baker | 1830 | 2 | Illinois | Democratic | 1792–1869
Edward Dickinson Baker | 1860–1861 | 2 | Oregon | Republican | 1811–1861
Howard Baker | 1967–1985 | 2 | Tennessee | Republican | 1925–2014
Lucien Baker | 1895–1901 | 2 | Kansas | Republican | 1846–1907
Abraham Baldwin | 1799–1807 | 2 | Georgia | Democratic-Republican | 1754–1807
Henry P. Baldwin | 1879–1881 | 1 | Michigan | Republican | 1814–1892
Raymond E. Baldwin | 1946–1949 | 1 | Connecticut | Republican | 1893–1986
Roger Sherman Baldwin | 1847–1851 | 1 | Connecticut | Whig | 1793–1863
Joseph H. Ball | 1940–1942
1943–1949 | 2 | Minnesota | Republican | 1905–1993
L. Heisler Ball | 1903–1905
1919–1925 | 1, 2 | Delaware | Republican | 1861–1932
John H. Bankhead | 1907–1920 | 2 | Alabama | Democratic | 1842–1920
John H. Bankhead II | 1931–1946 | 2 | Alabama | Democratic | 1872–1946
James Barbour | 1815–1825 | 1 | Virginia | Democratic-Republican | 1775–1842
John S. Barbour Jr. | 1889–1892 | 2 | Virginia | Democratic | 1820–1892
William Warren Barbour | 1931–1937
1938–1943 | 1, 2 | New Jersey | Republican | 1888–1943
Thomas R. Bard | 1900–1905 | 1 | California | Republican | 1841–1915
Alben W. Barkley | 1927–1949
1955–1956 | 3
2 | Kentucky | Democratic | 1877–1956
Dean Barkley | 2002–2003 | 2 | Minnesota | Independence | 1950–present
Isaac D. Barnard | 1827–1831 | 1 | Pennsylvania | Democratic | 1791–1834
William Henry Barnum | 1876–1879 | 3 | Connecticut | Democratic | 1818–1889
Robert Woodward Barnwell | 1850 | 2 | South Carolina | Democratic | 1801–1882
Frank A. Barrett | 1953–1959 | 1 | Wyoming | Republican | 1892–1962
Alexander Barrow | 1841–1846 | 2 | Louisiana | Whig | 1801–1846
Middleton P. Barrow | 1882–1883 | 2 | Georgia | Democratic | 1839–1903
Alexander G. Barry | 1938–1939 | 3 | Oregon | Republican | 1892–1952
William T. Barry | 1814–1816 | 2 | Kentucky | Democratic-Republican | 1784–1835
Bob Bartlett | 1959–1968 | 2 | Alaska | Democratic | 1904–1968
Dewey F. Bartlett | 1973–1979 | 2 | Oklahoma | Republican | 1919–1979
David Barton | 1821–1824
1824–1831 | 3 | Missouri | Democratic-Republican
National Republican | 1783–1837
Ross Bass | 1964–1967 | 2 | Tennessee | Democratic | 1918–1993
Richard Bassett | 1789–1793 | 2 | Delaware | Federalist | 1745–1815
William B. Bate | 1887–1905 | 1 | Tennessee | Democratic | 1826–1905
Ephraim Bateman | 1826–1829 | 1 | New Jersey | National Republican | 1780–1829
Isaac C. Bates | 1841–1845 | 2 | Massachusetts | Whig | 1779–1845
Martin W. Bates | 1857–1859 | 2 | Delaware | Democratic | 1786–1869
Max Baucus | 1978–2014 | 2 | Montana | Democratic | 1941–present
James A. Bayard | 1804–1813 | 2 | Delaware | Federalist | 1767–1815
James A. Bayard Jr. | 1851–1864
1867–1869 | 1 | Delaware | Democratic | 1799–1880
Richard H. Bayard | 1836–1839
1841–1845 | 1 | Delaware | Whig | 1796–1868
Thomas F. Bayard | 1869–1885 | 1 | Delaware | Democratic | 1828–1898
Thomas F. Bayard Jr. | 1922–1929 | 1 | Delaware | Democratic | 1868–1942
Birch Bayh | 1963–1981 | 3 | Indiana | Democratic | 1928–2019
Evan Bayh | 1999–2011 | 3 | Indiana | Democratic | 1955–present
J. Glenn Beall | 1953–1965 | 1 | Maryland | Republican | 1894–1971
J. Glenn Beall Jr. | 1971–1977 | 1 | Maryland | Republican | 1927–2006
James B. Beck | 1877–1890 | 2 | Kentucky | Democratic | 1822–1890
J. C. W. Beckham | 1915–1921 | 3 | Kentucky | Democratic | 1869–1940
Mark Begich | 2009–2015 | 2 | Alaska | Democratic | 1962–present
Charles H. Bell | 1879 | 3 | New Hampshire | Republican | 1823–1893
James Bell | 1855–1856
1856–1857 | 3 | New Hampshire | Whig
Republican | 1804–1857
John Bell | 1847–1853
1853–1856
1856–1859 | 2 | Tennessee | Whig
Whig
American | 1796–1869
Samuel Bell | 1823–1824
1824–1835 | 2 | New Hampshire | Democratic-Republican
National Republican | 1770–1850
Henry Bellmon | 1969–1981 | 3 | Oklahoma | Republican | 1921–2009
George H. Bender | 1954–1957 | 3 | Ohio | Republican | 1896–1961
Christie Benet | 1918 | 2 | South Carolina | Democratic | 1879–1951
Judah P. Benjamin | 1853–1856
1856–1861 | 2 | Louisiana | Whig
Democratic | 1811–1884
Bob Bennett | 1993–2011 | 3 | Utah | Republican | 1933–2016
Wallace F. Bennett | 1951–1974 | 3 | Utah | Republican | 1898–1993
Alfred W. Benson | 1906–1907 | 2 | Kansas | Republican | 1843–1916
Elmer Austin Benson | 1935–1936 | 2 | Minnesota | Farmer–Labor | 1895–1985
Thomas Hart Benton | 1821–1824
1824–1851 | 1 | Missouri | Democratic-Republican
Democratic | 1782–1858
William Benton | 1949–1953 | 1 | Connecticut | Democratic | 1900–1973
Lloyd Bentsen | 1971–1993 | 1 | Texas | Democratic | 1921–2006
John M. Berrien | 1825–1829
1841–1845
1845–1847
1847–1852 | 2, 3 | Georgia | Democratic
Whig
Whig
Whig | 1781–1856
George L. Berry | 1937–1938 | 2 | Tennessee | Democratic | 1882–1948
James H. Berry | 1885–1907 | 2 | Arkansas | Democratic | 1841–1913
Thaddeus Betts | 1839–1840 | 1 | Connecticut | Whig | 1789–1840
Albert J. Beveridge | 1899–1911 | 1 | Indiana | Republican | 1862–1927
George M. Bibb | 1811–1814
1829–1835 | 2 | Kentucky | Democratic-Republican
Democratic | 1776–1859
William W. Bibb | 1813–1816 | 2 | Georgia | Democratic-Republican | 1781–1820
Alan Bible | 1954–1974 | 3 | Nevada | Democratic | 1909–1988
Joe Biden | 1973–2009 | 2 | Delaware | Democratic | 1942–present
Asa Biggs | 1855–1858 | 3 | North Carolina | Democratic | 1811–1878
William Bigler | 1856–1861 | 3 | Pennsylvania | Democratic | 1814–1880
Theodore G. Bilbo | 1935–1947 | 1 | Mississippi | Democratic | 1877–1947
Jeff Bingaman | 1983–2013 | 1 | New Mexico | Democratic | 1943–present
Hiram Bingham III | 1924–1933 | 3 | Connecticut | Republican | 1875–1956
Kinsley S. Bingham | 1859–1861 | 2 | Michigan | Republican | 1808–1861
William Bingham | 1795–1801 | 3 | Pennsylvania | Federalist | 1752–1804
Hugo Black | 1927–1937 | 3 | Alabama | Democratic | 1886–1971
John Black | 1832–1833
1833–1836
1836–1838 | 1 | Mississippi | Democratic
National Republican
Whig | 1800–1854
J. C. S. Blackburn | 1885–1897
1901–1907 | 3
2 | Kentucky | Democratic | 1838–1918
James G. Blaine | 1876–1881 | 2 | Maine | Republican | 1830–1893
John J. Blaine | 1927–1933 | 3 | Wisconsin | Republican | 1875–1934
Francis Preston Blair Jr. | 1871–1873 | 3 | Missouri | Democratic | 1821–1875
Henry W. Blair | 1879–1885
1885–1891 | 3 | New Hampshire | Republican | 1834–1920
William A. Blakley | 1957
1961 | 1, 2 | Texas | Democratic | 1898–1976
Newton C. Blanchard | 1894–1897 | 3 | Louisiana | Democratic | 1849–1922
Coleman L. Blease | 1925–1931 | 2 | South Carolina | Democratic | 1868–1942
Jesse Bledsoe | 1813–1814 | 3 | Kentucky | Democratic-Republican | 1776–1836
Rufus Blodgett | 1887–1893 | 1 | New Jersey | Democratic | 1834–1910
Timothy Bloodworth | 1795–1801 | 3 | North Carolina | Democratic-Republican | 1736–1814
William Blount | 1796–1797 | 2 | Tennessee | Democratic-Republican | 1749–1800
Roy Blunt | 2011–2023 | 3 | Missouri | Republican | 1950–present
Elijah Boardman | 1821–1823 | 1 | Connecticut | Democratic-Republican | 1760–1823
J. Caleb Boggs | 1961–1973 | 2 | Delaware | Republican | 1909–1993
Lewis V. Bogy | 1873–1877 | 3 | Missouri | Democratic | 1813–1877
Kit Bond | 1987–2011 | 3 | Missouri | Republican | 1939–2025
Homer Bone | 1933–1944 | 3 | Washington | Democratic | 1883–1970
Newton Booth | 1875–1881 | 1 | California | Anti-Monopolist | 1825–1892
William Borah | 1907–1940 | 2 | Idaho | Republican | 1865–1940
Arthur I. Boreman | 1869–1875 | 1 | West Virginia | Republican | 1823–1896
David Boren | 1979–1994 | 2 | Oklahoma | Democratic | 1941–2025
Solon Borland | 1848–1853 | 3 | Arkansas | Democratic | 1808–1864
Rudy Boschwitz | 1978–1991 | 2 | Minnesota | Republican | 1930–present
Joseph H. Bottum | 1962–1963 | 3 | South Dakota | Republican | 1903–1984
Charles Dominique Joseph Bouligny | 1824–1829 | 2 | Louisiana | National Republican | 1773–1833
Jonathan Bourne Jr. | 1907–1913 | 2 | Oregon | Republican | 1855–1940
George S. Boutwell | 1873–1877 | 2 | Massachusetts | Republican | 1818–1905
Lemuel J. Bowden | 1863–1864 | 1 | Virginia | Union | 1815–1864
Thomas M. Bowen | 1883–1889 | 2 | Colorado | Republican | 1835–1906
Eva Bowring | 1954 | 2 | Nebraska | Republican | 1892–1985
Barbara Boxer | 1993–2017 | 3 | California | Democratic | 1940–present
James W. Bradbury | 1847–1853 | 2 | Maine | Democratic | 1802–1901
William Bradford | 1793–1797 | 2 | Rhode Island | Federalist | 1729–1808
Bill Bradley | 1979–1997 | 2 | New Jersey | Democratic | 1943–present
Stephen R. Bradley | 1791–1795
1801–1813 | 3 | Vermont | Democratic-Republican | 1754–1830
William O'Connell Bradley | 1909–1914 | 3 | Kentucky | Republican | 1847–1914
James H. Brady | 1913–1918 | 1 | Idaho | Republican | 1862–1918
Nicholas F. Brady | 1982 | 1 | New Jersey | Republican | 1930–present
Thomas Bragg | 1859–1861 | 2 | North Carolina | Democratic | 1810–1872
Lawrence Brainerd | 1854–1855 | 3 | Vermont | Free Soil | 1794–1870
John Branch | 1823–1829 | 2 | North Carolina | Democratic | 1782–1863
Frank B. Brandegee | 1905–1924 | 3 | Connecticut | Republican | 1864–1924
Sam G. Bratton | 1925–1933 | 2 | New Mexico | Democratic | 1888–1963
Mike Braun | 2019–2025 | 1 | Indiana | Republican | 1954–present
John Breaux | 1987–2005 | 3 | Louisiana | Democratic | 1944–present
John Breckinridge | 1801–1805 | 3 | Kentucky | Democratic-Republican | 1760–1806
John C. Breckinridge | 1861 | 3 | Kentucky | Democratic | 1821–1875
Sidney Breese | 1843–1849 | 3 | Illinois | Democratic | 1800–1878
Richard Brent | 1809–1814 | 1 | Virginia | Democratic-Republican | 1757–1814
Daniel Brewster | 1963–1969 | 3 | Maryland | Democratic | 1923–2007
Owen Brewster | 1941–1952 | 1 | Maine | Republican | 1888–1961
Calvin S. Brice | 1891–1897 | 3 | Ohio | Democratic | 1845–1898
John W. Bricker | 1947–1959 | 1 | Ohio | Republican | 1893–1986
Styles Bridges | 1937–1961 | 2 | New Hampshire | Republican | 1898–1961
Frank O. Briggs | 1907–1913 | 2 | New Jersey | Republican | 1851–1913
Frank P. Briggs | 1945–1947 | 1 | Missouri | Democratic | 1894–1992
Jesse D. Bright | 1845–1862 | 1 | Indiana | Democratic | 1812–1875
Joseph L. Bristow | 1909–1915 | 3 | Kansas | Republican | 1861–1944
Bill Brock | 1971–1977 | 1 | Tennessee | Republican | 1930–2021
William E. Brock | 1929–1931 | 2 | Tennessee | Democratic | 1872–1950
David C. Broderick | 1857–1859 | 1 | California | Democratic | 1820–1859
Richard Brodhead | 1851–1857 | 1 | Pennsylvania | Democratic | 1811–1863
Edward Brooke | 1967–1979 | 2 | Massachusetts | Republican | 1919–2015
Walker Brooke | 1852–1853 | 2 | Mississippi | Whig | 1813–1869
Smith W. Brookhart | 1922–1926
1927–1933 | 2, 3 | Iowa | Republican | 1869–1944
Charles W. Brooks | 1940–1949 | 2 | Illinois | Republican | 1897–1957
J. Melville Broughton | 1948–1949 | 2 | North Carolina | Democratic | 1888–1949
Edwin S. Broussard | 1921–1933 | 3 | Louisiana | Democratic | 1874–1934
Robert F. Broussard | 1915–1918 | 3 | Louisiana | Democratic | 1864–1918
Albert G. Brown | 1854–1861 | 2 | Mississippi | Democratic | 1813–1880
Arthur Brown | 1896–1897 | 3 | Utah | Republican | 1843–1906
Bedford Brown | 1829–1840 | 2 | North Carolina | Democratic | 1795–1870
B. Gratz Brown | 1863–1867 | 3 | Missouri | Republican | 1826–1885
Ernest S. Brown | 1954 | 3 | Nevada | Republican | 1903–1965
Ethan Allen Brown | 1822–1824
1824–1825 | 3 | Ohio | Democratic-Republican
National Republican | 1776–1852
Fred H. Brown | 1933–1939 | 3 | New Hampshire | Democratic | 1879–1955
Hank Brown | 1991–1997 | 2 | Colorado | Republican | 1940–present
James Brown | 1813–1817
1819–1823 | 2, 3 | Louisiana | Democratic-Republican | 1766–1835
John Brown | 1792–1805 | 2 | Kentucky | Democratic-Republican | 1757–1837
Joseph E. Brown | 1880–1891 | 3 | Georgia | Democratic | 1821–1894
Norris Brown | 1907–1913 | 2 | Nebraska | Republican | 1863–1960
Prentiss M. Brown | 1936–1943 | 2 | Michigan | Democratic | 1889–1973
Scott Brown | 2010–2013 | 1 | Massachusetts | Republican | 1959–present
Sam Brownback | 1996–2011 | 3 | Kansas | Republican | 1956–present
Sherrod Brown | 2007–2025 | 1 | Ohio | Democratic | 1952–present
Orville Hickman Browning | 1861–1863 | 2 | Illinois | Republican | 1806–1881
William G. Brownlow | 1869–1875 | 1 | Tennessee | Republican | 1805–1877
Jim Broyhill | 1986 | 3 | North Carolina | Republican | 1927–2023
Blanche Bruce | 1875–1881 | 1 | Mississippi | Republican | 1841–1898
William Cabell Bruce | 1923–1929 | 1 | Maryland | Democratic | 1860–1946
Norman Brunsdale | 1959–1960 | 1 | North Dakota | Republican | 1891–1978
Nathan P. Bryan | 1911–1917 | 1 | Florida | Democratic | 1872–1935
Richard Bryan | 1989–2001 | 1 | Nevada | Democratic | 1937–present
William James Bryan | 1907–1908 | 3 | Florida | Democratic | 1876–1908
James Buchanan | 1834–1845 | 3 | Pennsylvania | Democratic | 1791–1868
C. Douglass Buck | 1943–1949 | 2 | Delaware | Republican | 1890–1965
Charles R. Buckalew | 1863–1869 | 1 | Pennsylvania | Democratic | 1821–1899
William A. Buckingham | 1869–1875 | 1 | Connecticut | Republican | 1804–1875
James L. Buckley | 1971–1976
1976–1977 | 1 | New York | Conservative
Republican | 1923–2023
Alexander Buckner | 1831–1833 | 3 | Missouri | Democratic | 1785–1833
Morgan Bulkeley | 1905–1911 | 1 | Connecticut | Republican | 1837–1922
Robert J. Bulkley | 1930–1939 | 3 | Ohio | Democratic | 1880–1965
William B. Bulloch | 1813 | 2 | Georgia | Democratic-Republican | 1777–1852
William J. Bulow | 1931–1943 | 2 | South Dakota | Democratic | 1869–1960
Dale Bumpers | 1975–1999 | 3 | Arkansas | Democratic | 1925–2016
Berkeley L. Bunker | 1940–1942 | 1 | Nevada | Democratic | 1906–1999
Jim Bunning | 1999–2011 | 3 | Kentucky | Republican | 1931–2017
Thomas G. Burch | 1946 | 2 | Virginia | Democratic | 1869–1951
Jocelyn Burdick | 1992 | 1 | North Dakota | Democratic | 1922–2019
Quentin Burdick | 1961–1992 | 1 | North Dakota | Democratic | 1908–1992
Edward R. Burke | 1935–1941 | 3 | Nebraska | Democratic | 1880–1968
Thomas A. Burke | 1953–1954 | 3 | Ohio | Democratic | 1898–1971
Elmer Burkett | 1905–1911 | 1 | Nebraska | Republican | 1867–1935
Edwin C. Burleigh | 1913–1916 | 2 | Maine | Republican | 1843–1916
Jacob Burnet | 1828–1831 | 3 | Ohio | National Republican | 1770–1853
Henry E. Burnham | 1901–1913 | 2 | New Hampshire | Republican | 1844–1917
Conrad Burns | 1989–2007 | 1 | Montana | Republican | 1935–2016
Ambrose Burnside | 1875–1881 | 1 | Rhode Island | Republican | 1824–1881
Aaron Burr | 1791–1797 | 1 | New York | Democratic-Republican | 1756–1836
Richard Burr | 2005–2023 | 3 | North Carolina | Republican | 1955–present
James Burrill Jr. | 1817–1820 | 2 | Rhode Island | Federalist | 1772–1820
Roland Burris | 2009–2010 | 3 | Illinois | Democratic | 1937–present
Julius C. Burrows | 1895–1911 | 1 | Michigan | Republican | 1837–1915
Holm O. Bursum | 1921–1925 | 2 | New Mexico | Republican | 1867–1953
Harold H. Burton | 1941–1945 | 1 | Ohio | Republican | 1888–1964
Joseph R. Burton | 1901–1906 | 2 | Kansas | Republican | 1852–1923
Theodore E. Burton | 1909–1915
1928–1929 | 3 | Ohio | Republican | 1851–1929
Prescott Bush | 1953–1963 | 3 | Connecticut | Republican | 1895–1972
Harlan J. Bushfield | 1943–1948 | 2 | South Dakota | Republican | 1882–1948
Vera C. Bushfield | 1948 | 2 | South Dakota | Republican | 1889–1976
Andrew Butler | 1846–1857 | 3 | South Carolina | Democratic | 1796–1857
Hugh A. Butler | 1941–1954 | 1 | Nebraska | Republican | 1878–1954
John Marshall Butler | 1951–1963 | 3 | Maryland | Republican | 1897–1978
Laphonza Butler | 2023–2024 | 1 | California | Democratic | 1979–present
Marion Butler | 1895–1901 | 1 | North Carolina | Populist | 1863–1938
Matthew Butler | 1877–1895 | 2 | South Carolina | Democratic | 1836–1909
Pierce Butler | 1789–1795
1795–1796
1802–1804 | 2, 3 | South Carolina | Federalist
Democratic-Republican
Democratic-Republican | 1744–1822
William M. Butler | 1924–1926 | 1 | Massachusetts | Republican | 1861–1937
Harry F. Byrd | 1933–1965 | 1 | Virginia | Democratic | 1887–1966
Harry F. Byrd Jr. | 1965–1970
1970–1983 | 1 | Virginia | Democratic
Independent | 1914–2013
Robert Byrd | 1959–2010 | 1 | West Virginia | Democratic | 1917–2010
James F. Byrnes | 1931–1941 | 2 | South Carolina | Democratic | 1882–1972
George Cabot | 1791–1796 | 1 | Massachusetts | Federalist | 1752–1823
Donelson Caffery | 1892–1901 | 2 | Louisiana | Democratic | 1835–1906
Harry P. Cain | 1946–1953 | 1 | Washington | Republican | 1906–1979
William M. Calder | 1917–1923 | 1 | New York | Republican | 1869–1945
Alexander Caldwell | 1871–1873 | 2 | Kansas | Republican | 1830–1917
John C. Calhoun | 1832–1837
1837–1843
1845–1850 | 2 | South Carolina | Nullifier
Democratic
Democratic | 1782–1850
Wilkinson Call | 1879–1897 | 3 | Florida | Democratic | 1834–1910
Johnson N. Camden | 1881–1887
1893–1895 | 1, 2 | West Virginia | Democratic | 1828–1908
Johnson N. Camden Jr. | 1914–1915 | 3 | Kentucky | Democratic | 1865–1942
Angus Cameron | 1875–1881
1881–1885 | 1, 3 | Wisconsin | Republican | 1826–1897
J. Donald Cameron | 1877–1897 | 3 | Pennsylvania | Republican | 1833–1918
Ralph H. Cameron | 1921–1927 | 3 | Arizona | Republican | 1863–1953
Simon Cameron | 1845–1849
1857–1861
1867–1877 | 1, 3 | Pennsylvania | Democratic
Republican
Republican | 1799–1889
Alexander Campbell | 1809–1813 | 3 | Ohio | Democratic-Republican | 1779–1857
Ben Nighthorse Campbell | 1993–1995
1995–2005 | 3 | Colorado | Democratic
Republican | 1933–present
George W. Campbell | 1811–1814
1815–1818 | 1, 2 | Tennessee | Democratic-Republican | 1769–1848
Frank J. Cannon | 1896
1896–1899 | 1 | Utah | Republican
Silver Republican | 1859–1933
Howard Cannon | 1959–1983 | 1 | Nevada | Democratic | 1912–2002
Homer E. Capehart | 1945–1963 | 3 | Indiana | Republican | 1897–1979
Allen T. Caperton | 1875–1876 | 1 | West Virginia | Democratic | 1810–1876
Arthur Capper | 1919–1949 | 2 | Kansas | Republican | 1865–1951
Hattie Caraway | 1931–1945 | 3 | Arkansas | Democratic | 1878–1950
Thaddeus H. Caraway | 1921–1931 | 3 | Arkansas | Democratic | 1871–1931
Ben Cardin | 2007–2025 | 1 | Maryland | Democratic | 1943–present
Joseph M. Carey | 1890–1895 | 2 | Wyoming | Republican | 1845–1924
Robert D. Carey | 1930–1937 | 2 | Wyoming | Republican | 1878–1937
John S. Carlile | 1861–1865 | 2 | Virginia | Union | 1817–1878
John G. Carlisle | 1890–1893 | 2 | Kentucky | Democratic | 1834–1910
Frank Carlson | 1950–1969 | 3 | Kansas | Republican | 1893–1987
Edward W. Carmack | 1901–1907 | 2 | Tennessee | Democratic | 1858–1908
Jean Carnahan | 2001–2002 | 1 | Missouri | Democratic | 1933–2024
Matthew H. Carpenter | 1869–1875
1879–1881 | 1, 3 | Wisconsin | Republican | 1824–1881
Tom Carper | 2001–2025 | 1 | Delaware | Democratic | 1947–present
Charles Carroll of Carrollton | 1789–1792 | 1 | Maryland | Federalist | 1737–1832
John A. Carroll | 1957–1963 | 3 | Colorado | Democratic | 1901–1983
Thomas H. Carter | 1895–1901
1905–1911 | 1, 2 | Montana | Republican | 1854–1911
Edward P. Carville | 1945–1947 | 1 | Nevada | Democratic | 1885–1956
Clifford P. Case | 1955–1979 | 2 | New Jersey | Republican | 1904–1982
Francis H. Case | 1951–1962 | 3 | South Dakota | Republican | 1896–1962
Bob Casey Jr. | 2007–2025 | 1 | Pennsylvania | Democratic | 1960–present
Lyman R. Casey | 1889–1893 | 1 | North Dakota | Republican | 1837–1914
Lewis Cass | 1845–1848
1849–1857 | 1 | Michigan | Democratic | 1782–1866
Eugene Casserly | 1869–1873 | 1 | California | Democratic | 1820–1883
Charles W. Cathcart | 1852–1853 | 3 | Indiana | Democratic | 1809–1888
Thomas B. Catron | 1912–1917 | 1 | New Mexico | Republican | 1840–1921
Alexander G. Cattell | 1866–1871 | 2 | New Jersey | Republican | 1816–1894
Jonathan Chace | 1885–1889 | 2 | Rhode Island | Republican | 1829–1917
John Chafee | 1976–1999 | 1 | Rhode Island | Republican | 1922–1999
Lincoln Chafee | 1999–2007 | 1 | Rhode Island | Republican | 1953–present
Jerome B. Chaffee | 1876–1879 | 3 | Colorado | Republican | 1825–1886
Joseph W. Chalmers | 1845–1847 | 2 | Mississippi | Democratic | 1806–1853
George E. Chamberlain | 1909–1921 | 3 | Oregon | Democratic | 1854–1928
Ezekiel F. Chambers | 1826–1834 | 3 | Maryland | National Republican | 1788–1867
Henry H. Chambers | 1825–1826 | 3 | Alabama | Democratic | 1790–1867
Saxby Chambliss | 2003–2015 | 1 | Georgia | Republican | 1943–present
Christopher G. Champlin | 1809–1811 | 1 | Rhode Island | Federalist | 1768–1840
Happy Chandler | 1939–1945 | 2 | Kentucky | Democratic | 1898–1991
John Chandler | 1820–1824
1824–1829 | 2 | Maine | Democratic-Republican
Democratic | 1762–1841
William E. Chandler | 1887–1889
1889–1901 | 2 | New Hampshire | Republican | 1835–1917
Zachariah Chandler | 1857–1875
1879 | 1 | Michigan | Republican | 1813–1879
Virgil Chapman | 1949–1951 | 2 | Kentucky | Democratic | 1895–1951
Robert M. Charlton | 1852–1853 | 2 | Georgia | Democratic | 1807–1854
Dudley Chase | 1813–1817
1825–1831 | 3 | Vermont | Democratic-Republican
National Republican | 1771–1846
Salmon P. Chase | 1849–1855
1861 | 3 | Ohio | Free Soil
Republican | 1808–1873
Dennis Chávez | 1935–1962 | 1 | New Mexico | Democratic | 1888–1962
Person Colby Cheney | 1886–1887 | 2 | New Hampshire | Republican | 1828–1901
James Chesnut Jr. | 1858–1860 | 3 | South Carolina | Democratic | 1815–1885
Jeffrey Chiesa | 2013 | 2 | New Jersey | Republican | 1965–present
George M. Chilcott | 1882–1883 | 2 | Colorado | Republican | 1828–1891
Lawton Chiles | 1971–1989 | 1 | Florida | Democratic | 1930–1998
Horace Chilton | 1891–1892
1895–1901 | 1, 2 | Texas | Democratic | 1853–1932
William E. Chilton | 1911–1917 | 1 | West Virginia | Democratic | 1858–1939
Nathaniel Chipman | 1797–1803 | 1 | Vermont | Federalist | 1752–1843
Rufus Choate | 1841–1845 | 1 | Massachusetts | Whig | 1799–1859
Isaac P. Christiancy | 1875–1879 | 1 | Michigan | Republican | 1812–1890
Frank Church | 1957–1981 | 3 | Idaho | Democratic | 1924–1984
Joseph Cilley | 1846–1847 | 2 | New Hampshire | Liberty | 1791–1887
William C. C. Claiborne | 1817 | 2 | Louisiana | Democratic-Republican | 1772–1817
Moses E. Clapp | 1901–1917 | 1 | Minnesota | Republican | 1851–1929
Bennett Champ Clark | 1933–1945 | 3 | Missouri | Democratic | 1890–1954
Clarence D. Clark | 1895–1917 | 1 | Wyoming | Republican | 1851–1930
Daniel Clark | 1857–1866 | 3 | New Hampshire | Republican | 1809–1891
David Worth Clark | 1939–1945 | 3 | Idaho | Democratic | 1902–1955
Dick Clark | 1973–1979 | 2 | Iowa | Democratic | 1928–2023
Joseph S. Clark Jr. | 1957–1969 | 3 | Pennsylvania | Democratic | 1901–1990
William A. Clark | 1899–1900
1901–1907 | 1, 2 | Montana | Democratic | 1839–1925
James P. Clarke | 1903–1916 | 3 | Arkansas | Democratic | 1854–1916
John Hopkins Clarke | 1847–1853 | 2 | Rhode Island | Whig | 1789–1870
Alexander S. Clay | 1897–1910 | 3 | Georgia | Democratic | 1853–1910
Clement Claiborne Clay | 1853–1861 | 1 | Alabama | Democratic | 1816–1882
Clement Comer Clay | 1837–1841 | 3 | Alabama | Democratic | 1789–1866
Henry Clay | 1806–1807
1810–1811
1831–1832
1832–1842
1849–1852 | 2, 3 | Kentucky | Democratic-Republican
Democratic-Republican
National Republican
Whig
Whig | 1777–1852
John M. Clayton | 1829–1836
1845–1849
1853–1855
1855–1856 | 1, 2 | Delaware | National Republican
Whig
Whig
Opposition | 1796–1856
Joshua Clayton | 1798 | 2 | Delaware | Federalist | 1744–1798
Powell Clayton | 1871–1877 | 2 | Arkansas | Republican | 1833–1914
Thomas Clayton | 1824–1825
1825–1827
1837–1847 | 1, 2 | Delaware | Federalist
National Republican
Whig | 1777–1854
Max Cleland | 1997–2003 | 2 | Georgia | Democratic | 1942–2021
Jeremiah Clemens | 1849–1853 | 2 | Alabama | Democratic | 1814–1865
Earle Clements | 1950–1957 | 3 | Kentucky | Democratic | 1896–1985
Thomas Lanier Clingman | 1858–1861 | 3 | North Carolina | Democratic | 1812–1897
DeWitt Clinton | 1802–1803 | 3 | New York | Democratic-Republican | 1769–1828
Hillary Clinton | 2001–2009 | 1 | New York | Democratic | 1947–present
Dan Coats | 1989–1999
2011–2017 | 3 | Indiana | Republican | 1943–present
Thomas W. Cobb | 1824–1828 | 2 | Georgia | Democratic | 1784–1830
Tom Coburn | 2005–2015 | 3 | Oklahoma | Republican | 1948–2020
Thad Cochran | 1978–2018 | 2 | Mississippi | Republican | 1937–2019
William Cocke | 1796–1797
1797
1799–1805 | 1, 2 | Tennessee | Democratic-Republican | 1748–1828
Francis Cockrell | 1875–1905 | 1 | Missouri | Democratic | 1834–1915
John S. Cohen | 1932–1933 | 2 | Georgia | Democratic | 1870–1935
William Cohen | 1979–1997 | 2 | Maine | Republican | 1940–present
Richard Coke | 1877–1895 | 2 | Texas | Democratic | 1829–1897
Cornelius Cole | 1867–1873 | 3 | California | Republican | 1822–1924
Norm Coleman | 2003–2009 | 2 | Minnesota | Republican | 1949–present
John E. Colhoun | 1801–1802 | 3 | South Carolina | Democratic-Republican | 1749–1802
Jacob Collamer | 1855–1857
1857–1865 | 3 | Vermont | Opposition
Republican | 1791–1865
Alfred H. Colquitt | 1883–1894 | 2 | Georgia | Democratic | 1824–1894
Walter T. Colquitt | 1843–1848 | 3 | Georgia | Democratic | 1799–1855
LeBaron Bradford Colt | 1913–1924 | 2 | Rhode Island | Republican | 1846–1924
Joseph P. Comegys | 1856–1857 | 2 | Delaware | Opposition | 1813–1893
B. B. Comer | 1920 | 2 | Alabama | Democratic | 1848–1927
John Condit | 1803–1809
1809–1817 | 1, 2 | New Jersey | Democratic-Republican | 1755–1834
Omar D. Conger | 1881–1887 | 1 | Michigan | Republican | 1818–1898
Roscoe Conkling | 1867–1881 | 3 | New York | Republican | 1829–1888
Tom Connally | 1929–1953 | 1 | Texas | Democratic | 1877–1963
John Conness | 1863–1869 | 1 | California | Republican | 1821–1909
Simon B. Conover | 1873–1879 | 3 | Florida | Republican | 1840–1908
Charles Magill Conrad | 1842–1843 | 3 | Louisiana | Whig | 1804–1878
Kent Conrad | 1987–1992
1992–2013 | 1, 3 | North Dakota | Democratic | 1948–present
Marlow Cook | 1968–1974 | 3 | Kentucky | Republican | 1926–2016
Marcus A. Coolidge | 1931–1937 | 2 | Massachusetts | Democratic | 1865–1947
Henry Cooper | 1871–1877 | 2 | Tennessee | Democratic | 1827–1884
James Cooper | 1849–1855 | 3 | Pennsylvania | Whig | 1810–1863
John Sherman Cooper | 1946–1949
1952–1955
1956–1973 | 2 | Kentucky | Republican | 1901–1991
Royal S. Copeland | 1923–1938 | 1 | New York | Democratic | 1868–1938
Henry W. Corbett | 1867–1873 | 3 | Oregon | Republican | 1827–1903
Guy Cordon | 1944–1955 | 2 | Oregon | Republican | 1890–1969
Bob Corker | 2007–2019 | 1 | Tennessee | Republican | 1952–present
Thomas Corwin | 1845–1850 | 1 | Ohio | Whig | 1794–1865
Jon Corzine | 2001–2006 | 1 | New Jersey | Democratic | 1947–present
Edward P. Costigan | 1931–1937 | 2 | Colorado | Democratic | 1874–1939
Norris Cotton | 1954–1974
1975 | 3 | New Hampshire | Republican | 1900–1989
James J. Couzens | 1922–1936 | 2 | Michigan | Republican | 1872–1936
Paul Coverdell | 1993–2000 | 3 | Georgia | Republican | 1939–2000
Edgar Cowan | 1861–1867 | 3 | Pennsylvania | Republican | 1815–1885
Mo Cowan | 2013 | 2 | Massachusetts | Democratic | 1969–present
Samuel C. Crafts | 1842–1843 | 3 | Vermont | Whig | 1768–1853
Aaron H. Cragin | 1865–1877 | 2 | New Hampshire | Republican | 1821–1898
Larry Craig | 1991–2009 | 2 | Idaho | Republican | 1945–present
Winthrop M. Crane | 1904–1913 | 2 | Massachusetts | Republican | 1853–1920
Alan Cranston | 1969–1993 | 3 | California | Democratic | 1914–2000
Coe I. Crawford | 1909–1915 | 3 | South Dakota | Republican | 1858–1944
William H. Crawford | 1807–1813 | 2 | Georgia | Democratic-Republican | 1772–1834
John Creswell | 1865–1867 | 3 | Maryland | Republican | 1828–1891
Edward D. Crippa | 1954 | 2 | Wyoming | Republican | 1899–1960
John J. Crittenden | 1817–1819
1835–1841
1842–1848
1855–1861 | 2, 3 | Kentucky | Democratic-Republican
Whig
Whig
American | 1787–1863
William E. Crow | 1921–1922 | 1 | Pennsylvania | Republican | 1870–1922
Robert Crozier | 1873–1874 | 2 | Kansas | Republican | 1827–1895
Charles Allen Culberson | 1899–1923 | 1 | Texas | Democratic | 1855–1925
Shelby Moore Cullom | 1883–1913 | 2 | Illinois | Republican | 1829–1914
John Culver | 1975–1981 | 3 | Iowa | Democratic | 1932–2018
Albert B. Cummins | 1908–1926 | 3 | Iowa | Republican | 1850–1926
Carl Curtis | 1955–1979 | 2 | Nebraska | Republican | 1905–2000
Charles Curtis | 1907–1913
1915–1929 | 2, 3 | Kansas | Republican | 1860–1936
Alfred Cuthbert | 1835–1843 | 3 | Georgia | Democratic | 1785–1856
Bronson M. Cutting | 1927–1928
1929–1935 | 1 | New Mexico | Republican | 1888–1935
Charles Cutts | 1810–1813 | 3 | New Hampshire | Democratic-Republican | 1769–1846
Al D'Amato | 1981–1999 | 3 | New York | Republican | 1937–present
David Daggett | 1813–1819 | 3 | Connecticut | Federalist | 1764–1851
Porter H. Dale | 1923–1933 | 3 | Vermont | Republican | 1867–1933
George M. Dallas | 1831–1833 | 1 | Pennsylvania | Democratic | 1792–1864
Tristram Dalton | 1789–1791 | 1 | Massachusetts | Federalist | 1738–1817
Judah Dana | 1836–1837 | 1 | Maine | Democratic | 1772–1845
Samuel W. Dana | 1810–1821 | 1 | Connecticut | Federalist | 1760–1830
John A. Danaher | 1939–1945 | 3 | Connecticut | Republican | 1899–1990
John Danforth | 1977–1995 | 1 | Missouri | Republican | 1936–present
Charles E. Daniel | 1954 | 2 | South Carolina | Democratic | 1895–1964
John W. Daniel | 1887–1910 | 1 | Virginia | Democratic | 1842–1910
Price Daniel | 1953–1957 | 1 | Texas | Democratic | 1910–1988
Harry Darby | 1949–1950 | 3 | Kansas | Republican | 1895–1987
Tom Daschle | 1987–2005 | 3 | South Dakota | Democratic | 1947–present
Franklin Davenport | 1798–1799 | 1 | New Jersey | Federalist | 1755–1832
Cushman Kellogg Davis | 1887–1900 | 1 | Minnesota | Republican | 1838–1900
David Davis | 1877–1883 | 2 | Illinois | Independent | 1815–1886
Garrett Davis | 1861–1872 | 3 | Kentucky | Democratic | 1801–1872
Henry G. Davis | 1871–1883 | 2 | West Virginia | Democratic | 1823–1916
James J. Davis | 1930–1945 | 3 | Pennsylvania | Republican | 1873–1947
Jeff Davis | 1907–1913 | 2 | Arkansas | Democratic | 1862–1913
Jefferson Davis | 1847–1851
1857–1861 | 1 | Mississippi | Democratic | 1807/1808–1889
John Davis | 1835–1836
1836–1841
1845–1853 | 2 | Massachusetts | National Republican
Whig
Whig | 1787–1854
Henry L. Dawes | 1875–1893 | 1 | Massachusetts | Republican | 1816–1903
William Crosby Dawson | 1849–1855 | 3 | Georgia | Whig | 1798–1856
Jonathan Dayton | 1799–1805 | 2 | New Jersey | Federalist | 1760–1824
Mark Dayton | 2001–2007 | 1 | Minnesota | Democratic | 1947–present
William L. Dayton | 1842–1851 | 1 | New Jersey | Whig | 1807–1864
William F. De Saussure | 1852–1853 | 2 | South Carolina | Democratic | 1792–1870
William Joseph Deboe | 1897–1903 | 3 | Kentucky | Republican | 1849–1927
Dennis DeConcini | 1977–1995 | 1 | Arizona | Democratic | 1937–present
Jim DeMint | 2005–2013 | 3 | South Carolina | Republican | 1951–present
Charles S. Deneen | 1925–1931 | 2 | Illinois | Republican | 1863–1940
George R. Dennis | 1873–1879 | 3 | Maryland | Democratic | 1822–1882
Jeremiah Denton | 1981–1987 | 3 | Alabama | Republican | 1924–2014
Chauncey Depew | 1899–1911 | 1 | New York | Republican | 1834–1928
Jean Noël Destréhan | 1812 | 2 | Louisiana | Democratic-Republican | 1754–1823
Mike DeWine | 1995–2007 | 3 | Ohio | Republican | 1947–present
James DeWolf | 1821–1824
1824–1825 | 1 | Rhode Island | Democratic-Republican
Democratic | 1764–1837
Samuel Dexter | 1799–1800 | 2 | Massachusetts | Federalist | 1761–1816
Nathaniel B. Dial | 1919–1925 | 2 | South Carolina | Democratic | 1862–1940
Charles W. F. Dick | 1904–1911 | 1 | Ohio | Republican | 1858–1945
Mahlon Dickerson | 1817–1824
1824–1833 | 1, 2 | New Jersey | Democratic-Republican
Democratic | 1770–1853
Daniel S. Dickinson | 1844–1851 | 2 | New York | Democratic | 1800–1866
Lester J. Dickinson | 1931–1937 | 2 | Iowa | Republican | 1873–1968
Philemon Dickinson | 1790–1793 | 2 | New Jersey | Federalist | 1739–1809
William H. Dieterich | 1933–1939 | 3 | Illinois | Democratic | 1876–1940
Charles Henry Dietrich | 1901–1905 | 1 | Nebraska | Republican | 1853–1924
Clarence Dill | 1923–1935 | 1 | Washington | Democratic | 1884–1978
William P. Dillingham | 1900–1923 | 3 | Vermont | Republican | 1843–1923
Everett Dirksen | 1951–1969 | 3 | Illinois | Republican | 1896–1969
John Adams Dix | 1845–1849 | 3 | New York | Democratic | 1798–1879
Alan J. Dixon | 1981–1993 | 3 | Illinois | Democratic | 1927–2014
Archibald Dixon | 1852–1855 | 3 | Kentucky | Whig | 1802–1876
James Dixon | 1857–1869 | 1 | Connecticut | Republican | 1814–1873
Joseph M. Dixon | 1907–1912
1912–1913 | 2 | Montana | Republican
Progressive | 1867–1934
Nathan F. Dixon I | 1839–1842 | 1 | Rhode Island | Whig | 1774–1842
Nathan F. Dixon III | 1889–1895 | 2 | Rhode Island | Republican | 1847–1897
Chris Dodd | 1981–2011 | 3 | Connecticut | Democratic | 1944–present
Thomas J. Dodd | 1959–1971 | 1 | Connecticut | Democratic | 1907–1971
Augustus C. Dodge | 1846–1855 | 3 | Iowa | Democratic | 1812–1883
Henry Dodge | 1848–1857 | 1 | Wisconsin | Democratic | 1782–1867
Bob Dole | 1969–1996 | 3 | Kansas | Republican | 1923–2021
Elizabeth Dole | 2003–2009 | 2 | North Carolina | Republican | 1936–present
Jonathan P. Dolliver | 1900–1910 | 2 | Iowa | Republican | 1858–1910
Joseph N. Dolph | 1883–1895 | 2 | Oregon | Republican | 1835–1897
Pete Domenici | 1973–2009 | 2 | New Mexico | Republican | 1932–2017
Peter H. Dominick | 1963–1975 | 3 | Colorado | Republican | 1915–1981
A. Victor Donahey | 1935–1941 | 1 | Ohio | Democratic | 1873–1946
Forrest C. Donnell | 1945–1951 | 3 | Missouri | Republican | 1884–1980
Joe Donnelly | 2013–2019 | 1 | Indiana | Democratic | 1955–present
James R. Doolittle | 1857–1869 | 1 | Wisconsin | Republican | 1815–1897
Byron Dorgan | 1992–2011 | 3 | North Dakota | Democratic | 1942–present
Stephen W. Dorsey | 1873–1879 | 3 | Arkansas | Republican | 1842–1916
Paul Douglas | 1949–1967 | 2 | Illinois | Democratic | 1892–1976
Stephen A. Douglas | 1847–1861 | 2 | Illinois | Democratic | 1813–1861
Sheridan Downey | 1939–1950 | 3 | California | Democratic | 1884–1961
Solomon W. Downs | 1847–1853 | 2 | Louisiana | Democratic | 1801–1854
Wall Doxey | 1941–1943 | 2 | Mississippi | Democratic | 1892–1962
Charles D. Drake | 1867–1870 | 3 | Missouri | Republican | 1811–1892
Irving W. Drew | 1918 | 3 | New Hampshire | Republican | 1845–1922
John F. Dryden | 1902–1907 | 2 | New Jersey | Republican | 1839–1911
Henry A. du Pont | 1895–1896
1906–1917 | 1 | Delaware | Republican | 1838–1926
T. Coleman du Pont | 1921–1922
1925–1928 | 1, 2 | Delaware | Republican | 1863–1930
Fred Dubois | 1891–1896
1896–1897
1901–1907 | 2, 3 | Idaho | Republican
Silver Republican
Democratic | 1851–1930
Charles E. Dudley | 1829–1833 | 1 | New York | Democratic | 1780–1841
James H. Duff | 1951–1957 | 3 | Pennsylvania | Republican | 1883–1969
F. Ryan Duffy | 1933–1939 | 3 | Wisconsin | Democratic | 1888–1979
John Foster Dulles | 1949 | 3 | New York | Republican | 1888–1959
David Durenberger | 1978–1995 | 1 | Minnesota | Republican | 1934–2023
Charles Durkee | 1855–1861 | 3 | Wisconsin | Republican | 1805–1870
John A. Durkin | 1975–1980 | 3 | New Hampshire | Democratic | 1936–2012
Henry Dworshak | 1946–1949
1949–1962 | 2 | Idaho | Republican | 1894–1962
Thomas Eagleton | 1969–1987 | 3 | Missouri | Democratic | 1929–2007
Joseph H. Earle | 1897 | 3 | South Carolina | Democratic | 1847–1897
John P. East | 1981–1986 | 3 | North Carolina | Republican | 1931–1986
James Eastland | 1941
1943–1978 | 2 | Mississippi | Democratic | 1904–1986
John Eaton | 1818–1821
1821–1829 | 1 | Tennessee | Democratic-Republican | 1790–1856
William W. Eaton | 1875–1881 | 1 | Connecticut | Democratic | 1816–1898
Zales Ecton | 1947–1953 | 1 | Montana | Republican | 1898–1961
Walter E. Edge | 1919–1929 | 3 | New Jersey | Republican | 1873–1956
Alonzo J. Edgerton | 1881 | 2 | Minnesota | Republican | 1827–1896
J. Howard Edmondson | 1963–1964 | 2 | Oklahoma | Democratic | 1925–1971
George F. Edmunds | 1866–1891 | 1 | Vermont | Republican | 1828–1919
Edward I. Edwards | 1923–1929 | 1 | New Jersey | Democratic | 1863–1931
Elaine Edwards | 1972 | 2 | Louisiana | Democratic | 1929–2018
Henry W. Edwards | 1823–1827 | 1 | Connecticut | Democratic | 1779–1847
John Edwards | 1792–1795 | 3 | Kentucky | Democratic-Republican | 1748–1837
John Edwards | 1999–2005 | 3 | North Carolina | Democratic | 1953–present
Ninian Edwards | 1818–1824 | 3 | Illinois | Democratic-Republican | 1775–1833
Davis Elkins | 1911
1919–1925 | 2 | West Virginia | Republican | 1876–1959
Stephen Benton Elkins | 1895–1911 | 2 | West Virginia | Republican | 1841–1911
Allen J. Ellender | 1937–1972 | 2 | Louisiana | Democratic | 1890–1972
Christopher Ellery | 1801–1805 | 2 | Rhode Island | Democratic-Republican | 1769–1840
John Elliott | 1819–1825 | 3 | Georgia | Democratic-Republican | 1773–1827
Powhatan Ellis | 1825–1826
1827–1832 | 1 | Mississippi | Democratic | 1790–1863
Oliver Ellsworth | 1789–1796 | 1 | Connecticut | Federalist | 1745–1807
Jonathan Elmer | 1789–1791 | 1 | New Jersey | Federalist | 1745–1817
Franklin H. Elmore | 1850 | 2 | South Carolina | Democratic | 1799–1850
Clair Engle | 1959–1964 | 1 | California | Democratic | 1911–1964
James E. English | 1875–1876 | 3 | Connecticut | Democratic | 1812–1890
John Ensign | 2001–2011 | 1 | Nevada | Republican | 1958–present
Mike Enzi | 1997–2021 | 2 | Wyoming | Republican | 1944–2021
John Wayles Eppes | 1817–1819 | 2 | Virginia | Democratic-Republican | 1773–1823
John E. Erickson | 1933–1934 | 2 | Montana | Democratic | 1863–1946
Richard P. Ernst | 1921–1927 | 3 | Kentucky | Republican | 1858–1934
Sam Ervin | 1954–1974 | 3 | North Carolina | Democratic | 1896–1985
James B. Eustis | 1876–1879
1885–1891 | 3 | Louisiana | Democratic | 1834–1899
Daniel J. Evans | 1983–1989 | 1 | Washington | Republican | 1925–2024
George Evans | 1841–1847 | 2 | Maine | Whig | 1797–1867
Josiah J. Evans | 1853–1858 | 2 | South Carolina | Democratic | 1786–1858
William M. Evarts | 1885–1891 | 3 | New York | Republican | 1818–1901
Edward Everett | 1853–1854 | 2 | Massachusetts | Whig | 1794–1865
Thomas Ewing | 1831–1837
1850–1851 | 1, 3 | Ohio | National Republican
Whig | 1789–1871
William Lee D. Ewing | 1835–1837 | 3 | Illinois | Democratic | 1795–1846
J. James Exon | 1979–1997 | 2 | Nebraska | Democratic | 1921–2005
James Graham Fair | 1881–1887 | 1 | Nevada | Democratic | 1831–1894
Charles W. Fairbanks | 1897–1905 | 3 | Indiana | Republican | 1852–1918
Lauch Faircloth | 1993–1999 | 3 | North Carolina | Republican | 1928–2023
John Fairfield | 1843–1847 | 1 | Maine | Democratic | 1797–1847
Albert B. Fall | 1912–1921 | 2 | New Mexico | Republican | 1861–1944
Paul Fannin | 1965–1977 | 1 | Arizona | Republican | 1907–2002
James T. Farley | 1879–1885 | 3 | California | Democratic | 1829–1886
Charles B. Farwell | 1887–1891 | 3 | Illinois | Republican | 1823–1903
Nathan A. Farwell | 1864–1865 | 1 | Maine | Republican | 1812–1893
Charles James Faulkner | 1887–1899 | 1 | West Virginia | Democratic | 1847–1929
William C. Feazel | 1948 | 3 | Louisiana | Democratic | 1895–1965
Russ Feingold | 1993–2011 | 3 | Wisconsin | Democratic | 1953–present
Dianne Feinstein | 1992–2023 | 1 | California | Democratic | 1933–2023
Alpheus Felch | 1847–1853 | 2 | Michigan | Democratic | 1804–1896
Charles N. Felton | 1891–1893 | 1 | California | Republican | 1832–1914
Rebecca Latimer Felton | 1922 | 3 | Georgia | Democratic | 1835–1930
James Fenner | 1805–1807 | 2 | Rhode Island | Democratic-Republican | 1771–1846
Reuben Fenton | 1869–1872
1872–1875 | 1 | New York | Republican
Liberal Republican | 1819–1885
Homer S. Ferguson | 1943–1955 | 2 | Michigan | Republican | 1889–1982
Bert M. Fernald | 1916–1926 | 2 | Maine | Republican | 1858–1926
Woodbridge N. Ferris | 1923–1928 | 1 | Michigan | Democratic | 1853–1928
Orris S. Ferry | 1867–1872
1872–1875
1875 | 3 | Connecticut | Republican
Liberal Republican
Republican | 1823–1875
Thomas W. Ferry | 1871–1883 | 2 | Michigan | Republican | 1827–1896
Simeon D. Fess | 1923–1935 | 1 | Ohio | Republican | 1861–1936
William P. Fessenden | 1854–1856
1856–1864
1865–1869 | 2 | Maine | Whig
Republican
Republican | 1806–1869
William Few | 1789–1793 | 1 | Georgia | Democratic-Republican | 1748–1828
Richard Stockton Field | 1862–1863 | 1 | New Jersey | Republican | 1803–1870
William Findlay | 1821–1824
1824–1827 | 1 | Pennsylvania | Democratic-Republican
Democratic | 1768–1846
Hamilton Fish | 1851–1856
1856–1857 | 1 | New York | Whig
Republican | 1808–1893
James Fisk | 1817–1818 | 3 | Vermont | Democratic-Republican | 1763–1844
Graham N. Fitch | 1857–1861 | 3 | Indiana | Democratic | 1809–1892
Peter Fitzgerald | 1999–2005 | 3 | Illinois | Republican | 1960–present
Thomas Fitzgerald | 1848–1849 | 1 | Michigan | Democratic | 1796–1855
Benjamin Fitzpatrick | 1848–1849
1853–1855
1855–1861 | 2, 3 | Alabama | Democratic | 1802–1869
Jeff Flake | 2013–2019 | 1 | Arizona | Republican | 1962–present
James W. Flanagan | 1870–1875 | 1 | Texas | Republican | 1805–1887
Ralph Flanders | 1946–1959 | 1 | Vermont | Republican | 1880–1970
Duncan U. Fletcher | 1909–1936 | 3 | Florida | Democratic | 1859–1936
Frank Putnam Flint | 1905–1911 | 1 | California | Republican | 1862–1929
George G. Fogg | 1866–1867 | 3 | New Hampshire | Republican | 1813–1881
Hiram Fong | 1959–1977 | 1 | Hawaii | Republican | 1906–2004
Samuel A. Foot | 1827–1833 | 1 | Connecticut | National Republican | 1780–1846
Solomon Foot | 1851–1856
1856–1866 | 1 | Vermont | Whig
Republican | 1802–1866
Henry S. Foote | 1847–1852 | 2 | Mississippi | Democratic | 1804–1880
Joseph B. Foraker | 1897–1909 | 3 | Ohio | Republican | 1846–1917
Wendell Ford | 1974–1999 | 3 | Kentucky | Democratic | 1924–2015
John Forsyth | 1818–1819
1829–1834 | 2, 3 | Georgia | Democratic-Republican
Democratic | 1780–1841
Addison G. Foster | 1899–1905 | 1 | Washington | Republican | 1837–1917
Dwight Foster | 1800–1803 | 2 | Massachusetts | Federalist | 1757–1823
Ephraim H. Foster | 1838–1839
1843–1845 | 1 | Tennessee | Whig | 1794–1854
Henry A. Foster | 1844–1845 | 3 | New York | Democratic | 1800–1889
Lafayette S. Foster | 1855–1856
1856–1867 | 3 | Connecticut | Whig
Republican | 1806–1880
Murphy J. Foster | 1901–1913 | 2 | Louisiana | Democratic | 1849–1921
Theodore Foster | 1790–1801
1801–1803 | 1 | Rhode Island | Federalist
Democratic-Republican | 1752–1828
Joseph S. Fowler | 1866–1871 | 2 | Tennessee | Republican | 1820–1902
Wyche Fowler | 1987–1993 | 3 | Georgia | Democratic | 1940–present
Sheila Frahm | 1996 | 3 | Kansas | Republican | 1945–present
Joseph I. France | 1917–1923 | 1 | Maryland | Republican | 1873–1939
John Brown Francis | 1844–1845 | 1 | Rhode Island | Law and Order | 1791–1864
Al Franken | 2009–2018 | 2 | Minnesota | Democratic | 1951–present
Jesse Franklin | 1799–1805
1807–1813 | 2, 3 | North Carolina | Democratic-Republican | 1760–1823
James B. Frazier | 1905–1911 | 1 | Tennessee | Democratic | 1856–1937
Lynn Frazier | 1923–1941 | 1 | North Dakota | Republican | 1874–1947
J. Allen Frear Jr. | 1949–1961 | 2 | Delaware | Democratic | 1903–1993
Frederick Frelinghuysen | 1793–1796 | 1 | New Jersey | Federalist | 1753–1804
Frederick T. Frelinghuysen | 1866–1869
1871–1877 | 1, 2 | New Jersey | Republican | 1817–1885
Joseph S. Frelinghuysen Sr. | 1917–1923 | 1 | New Jersey | Republican | 1869–1948
Theodore Frelinghuysen | 1829–1835 | 2 | New Jersey | National Republican | 1787–1862
John C. Frémont | 1850–1851 | 1 | California | Republican | 1813–1890
Bill Frist | 1995–2007 | 1 | Tennessee | Republican | 1952–present
Eligius Fromentin | 1813–1819 | 3 | Louisiana | Democratic-Republican | 1767–1822
William P. Frye | 1881–1911 | 2 | Maine | Republican | 1830–1911
J. William Fulbright | 1945–1974 | 3 | Arkansas | Democratic | 1905–1995
Charles William Fulton | 1903–1909 | 3 | Oregon | Republican | 1853–1918
William S. Fulton | 1836–1844 | 2 | Arkansas | Democratic | 1795–1844
John Gaillard | 1805–1824
1824–1826 | 3 | South Carolina | Democratic-Republican
Democratic | 1765–1826
Jacob Harold Gallinger | 1891–1918 | 3 | New Hampshire | Republican | 1837–1918
Robert J. Gamble | 1901–1913 | 2 | South Dakota | Republican | 1851–1924
David H. Gambrell | 1971–1972 | 2 | Georgia | Democratic | 1929–2021
Cory Gardner | 2015–2021 | 2 | Colorado | Republican | 1974–present
Obadiah Gardner | 1911–1913 | 2 | Maine | Democratic | 1852–1938
Augustus Hill Garland | 1877–1885 | 2 | Arkansas | Democratic | 1832–1899
Jake Garn | 1974–1993 | 3 | Utah | Republican | 1932–present
Frank B. Gary | 1908–1909 | 3 | South Carolina | Democratic | 1860–1922
Edward James Gay | 1918–1921 | 3 | Louisiana | Democratic | 1878–1952
John H. Gear | 1895–1900 | 2 | Iowa | Republican | 1825–1900
John M. Gearin | 1905–1907 | 2 | Oregon | Democratic | 1851–1930
James Z. George | 1881–1897 | 1 | Mississippi | Democratic | 1826–1897
Walter F. George | 1922–1957 | 3 | Georgia | Democratic | 1878–1957
Obadiah German | 1809–1815 | 1 | New York | Democratic-Republican | 1766–1842
Peter G. Gerry | 1917–1929
1935–1947 | 1 | Rhode Island | Democratic | 1879–1957
Henry S. Geyer | 1851–1855
1855–1857 | 1 | Missouri | Whig
Democratic | 1790–1859
Charles Hopper Gibson | 1891–1897 | 3 | Maryland | Democratic | 1842–1900
Ernest W. Gibson Jr. | 1940–1941 | 3 | Vermont | Republican | 1901–1969
Ernest Willard Gibson | 1933–1940 | 3 | Vermont | Republican | 1872–1940
Paris Gibson | 1901–1905 | 1 | Montana | Democratic | 1830–1920
Randall L. Gibson | 1883–1892 | 2 | Louisiana | Democratic | 1832–1892
Abijah Gilbert | 1869–1875 | 1 | Florida | Republican | 1806–1881
William Branch Giles | 1804–1815 | 1, 2 | Virginia | Democratic-Republican | 1762–1830
Frederick H. Gillett | 1925–1931 | 2 | Massachusetts | Republican | 1851–1935
Francis Gillette | 1854–1855 | 2 | Connecticut | Free Soil | 1807–1879
Guy Gillette | 1936–1945
1949–1955 | 2, 3 | Iowa | Democratic | 1879–1973
Nicholas Gilman | 1805–1814 | 2 | New Hampshire | Democratic-Republican | 1755–1814
Carter Glass | 1920–1946 | 2 | Virginia | Democratic | 1858–1946
John Glenn | 1974–1999 | 3 | Ohio | Democratic | 1921–2016
Otis F. Glenn | 1928–1933 | 3 | Illinois | Republican | 1879–1959
Guy D. Goff | 1925–1931 | 2 | West Virginia | Republican | 1866–1933
Nathan Goff Jr. | 1913–1919 | 2 | West Virginia | Republican | 1843–1920
Phillips Lee Goldsborough | 1929–1935 | 1 | Maryland | Republican | 1865–1946
Robert Henry Goldsborough | 1813–1819
1835–1836 | 3 | Maryland | Federalist
National Republican | 1779–1836
George Goldthwaite | 1871–1877 | 2 | Alabama | Democratic | 1809–1879
Barry Goldwater | 1953–1965
1969–1987 | 1, 3 | Arizona | Republican | 1909–1998
Charles Goodell | 1968–1971 | 1 | New York | Republican | 1926–1987
Benjamin Goodhue | 1796–1800 | 1 | Massachusetts | Federalist | 1748–1814
Frank R. Gooding | 1921–1928 | 3 | Idaho | Republican | 1859–1928
Chauncey Goodrich | 1807–1813 | 3 | Connecticut | Federalist | 1759–1815
Carte Goodwin | 2010 | 1 | West Virginia | Democratic | 1974–present
James Gordon | 1909–1910 | 2 | Mississippi | Democratic | 1833–1912
John B. Gordon | 1873–1880
1891–1897 | 3 | Georgia | Democratic | 1832–1904
Al Gore | 1985–1993 | 2 | Tennessee | Democratic | 1948–present
Albert Gore Sr. | 1953–1971 | 1 | Tennessee | Democratic | 1907–1998
Christopher Gore | 1813–1816 | 1 | Massachusetts | Federalist | 1758–1827
Thomas Gore | 1907–1921
1931–1937 | 2, 3 | Oklahoma | Democratic | 1870–1949
Arthur Pue Gorman | 1881–1899
1903–1906 | 1, 3 | Maryland | Democratic | 1839–1906
Slade Gorton | 1981–1987
1989–2001 | 3
1 | Washington | Republican | 1928–2020
Charles C. Gossett | 1945–1946 | 2 | Idaho | Democratic | 1888–1974
Arthur R. Gould | 1926–1931 | 2 | Maine | Republican | 1857–1946
Bob Graham | 1987–2005 | 3 | Florida | Democratic | 1936–2024
Frank Porter Graham | 1949–1950 | 2 | North Carolina | Democratic | 1886–1972
William Alexander Graham | 1840–1843 | 3 | North Carolina | Whig | 1804–1875
Phil Gramm | 1985–2002 | 3 | Texas | Republican | 1942–present
Elijah S. Grammer | 1932–1933 | 3 | Washington | Republican | 1868–1936
Rod Grams | 1995–2001 | 1 | Minnesota | Republican | 1948–2013
Mike Gravel | 1969–1981 | 3 | Alaska | Democratic | 1930–2021
Dixie Bibb Graves | 1937–1938 | 3 | Alabama | Democratic | 1882–1965
George Gray | 1885–1899 | 1 | Delaware | Democratic | 1840–1925
William Grayson | 1789–1790 | 1 | Virginia | Democratic-Republican | 1740–1790
James S. Green | 1857–1861 | 3 | Missouri | Democratic | 1817–1870
Theodore F. Green | 1937–1961 | 2 | Rhode Island | Democratic | 1867–1966
Albert C. Greene | 1845–1851 | 1 | Rhode Island | Whig | 1792–1863
Frank L. Greene | 1923–1930 | 1 | Vermont | Republican | 1870–1930
Ray Greene | 1797–1801 | 3 | Rhode Island | Federalist | 1765–1849
Andrew Gregg | 1807–1813 | 2 | Pennsylvania | Democratic-Republican | 1755–1835
Judd Gregg | 1993–2011 | 3 | New Hampshire | Republican | 1947–present
Robert P. Griffin | 1966–1979 | 2 | Michigan | Republican | 1923–2015
James W. Grimes | 1859–1869 | 2 | Iowa | Republican | 1816–1872
Dwight Griswold | 1952–1954 | 2 | Nebraska | Republican | 1893–1954
Stanley Griswold | 1809 | 3 | Ohio | Democratic-Republican | 1763–1815
Asle Gronna | 1911–1921 | 3 | North Dakota | Republican | 1858–1922
James Black Groome | 1879–1885 | 3 | Maryland | Democratic | 1838–1893
La Fayette Grover | 1877–1883 | 3 | Oregon | Democratic | 1823–1911
Ernest Gruening | 1959–1969 | 1 | Alaska | Democratic | 1887–1974
Felix Grundy | 1829–1838
1839–1840 | 1 | Tennessee | Democratic | 1775–1840
Joseph R. Grundy | 1929–1930 | 3 | Pennsylvania | Republican | 1863–1961
Joseph F. Guffey | 1935–1947 | 1 | Pennsylvania | Democratic | 1870–1959
Simon Guggenheim | 1907–1913 | 2 | Colorado | Republican | 1867–1941
Walter Guion | 1918 | 3 | Louisiana | Democratic | 1849–1927
James Gunn | 1789–1797
1797–1801 | 3 | Georgia | Democratic-Republican
Federalist | 1753–1801
Edward Gurney | 1969–1974 | 3 | Florida | Republican | 1914–1996
John Chandler Gurney | 1939–1951 | 3 | South Dakota | Republican | 1896–1985
James Guthrie | 1865–1868 | 2 | Kentucky | Democratic | 1792–1869
William M. Gwin | 1850–1855
1857–1861 | 3 | California | Democratic | 1805–1885
Kay Hagan | 2009–2015 | 2 | North Carolina | Democratic | 1953–2019
Chuck Hagel | 1997–2009 | 3 | Nebraska | Republican | 1946–present
John S. Hager | 1873–1875 | 1 | California | Democratic | 1818–1890
Eugene Hale | 1881–1911 | 1 | Maine | Republican | 1836–1918
Frederick Hale | 1917–1941 | 1 | Maine | Republican | 1874–1963
John P. Hale | 1847–1848
1848–1853
1855–1856
1856–1865 | 1 | New Hampshire | Independent Democrat
Free Soil
Free Soil
Republican | 1806–1873
Wilton E. Hall | 1944–1945 | 2 | South Carolina | Democratic | 1901–1980
Morgan C. Hamilton | 1870–1873
1873–1875
1875–1877 | 2 | Texas | Republican
Liberal Republican
Republican | 1809–1893
William Thomas Hamilton | 1869–1875 | 1 | Maryland | Democratic | 1820–1888
Hannibal Hamlin | 1848–1856
1856–1857
1857–1861
1869–1881 | 3 | Maine | Democratic
Republican
Republican
Republican | 1809–1891
James Henry Hammond | 1857–1860 | 3 | South Carolina | Democratic | 1807–1864
Wade Hampton III | 1879–1891 | 3 | South Carolina | Democratic | 1818–1902
Mark Hanna | 1897–1904 | 1 | Ohio | Republican | 1837–1904
Robert Hanna | 1831–1832 | 1 | Indiana | National Republican | 1786–1858
Edward A. Hannegan | 1843–1849 | 3 | Indiana | Democratic | 1807–1859
Henry C. Hansbrough | 1891–1909 | 3 | North Dakota | Republican | 1848–1933
Clifford Hansen | 1967–1978 | 2 | Wyoming | Republican | 1912–2009
Alexander Contee Hanson | 1816–1819 | 1 | Maryland | Federalist | 1786–1819
Martin D. Hardin | 1816–1817 | 2 | Kentucky | Federalist | 1780–1823
Benjamin F. Harding | 1862–1865 | 2 | Oregon | Democratic | 1823–1899
Warren G. Harding | 1915–1921 | 3 | Ohio | Republican | 1865–1923
Thomas W. Hardwick | 1914–1919 | 2 | Georgia | Democratic | 1872–1944
Tom Harkin | 1985–2015 | 2 | Iowa | Democratic | 1939–present
James Harlan | 1855–1857
1857–1865
1867–1873 | 3 | Iowa | Free Soil
Republican
Republican | 1820–1899
Robert Goodloe Harper | 1816 | 1 | Maryland | Federalist | 1765–1825
William Harper | 1826 | 3 | South Carolina | Democratic | 1790–1847
John W. Harreld | 1921–1927 | 3 | Oklahoma | Republican | 1872–1950
Fred R. Harris | 1964–1973 | 2 | Oklahoma | Democratic | 1930–2024
Ira Harris | 1861–1867 | 3 | New York | Republican | 1802–1875
Isham G. Harris | 1877–1897 | 2 | Tennessee | Democratic | 1818–1897
John S. Harris | 1868–1871 | 2 | Louisiana | Republican | 1825–1906
Kamala Harris | 2017–2021 | 3 | California | Democratic | 1964–present
William Alexander Harris | 1897–1903 | 3 | Kansas | Populist | 1841–1909
William J. Harris | 1919–1932 | 2 | Georgia | Democratic | 1868–1932
Benjamin Harrison | 1881–1887 | 1 | Indiana | Republican | 1833–1901
Pat Harrison | 1919–1941 | 2 | Mississippi | Democratic | 1881–1941
William Henry Harrison | 1825–1828 | 3 | Ohio | National Republican | 1773–1841
Gary Hart | 1975–1987 | 3 | Colorado | Democratic | 1936–present
Philip Hart | 1959–1976 | 1 | Michigan | Democratic | 1912–1976
Thomas C. Hart | 1945–1946 | 1 | Connecticut | Republican | 1877–1971
Vance Hartke | 1959–1977 | 1 | Indiana | Democratic | 1919–2003
James M. Harvey | 1874–1877 | 2 | Kansas | Republican | 1833–1894
Floyd Haskell | 1973–1979 | 2 | Colorado | Democratic | 1916–1998
Daniel O. Hastings | 1928–1937 | 2 | Delaware | Republican | 1874–1966
Carl Hatch | 1933–1949 | 2 | New Mexico | Democratic | 1889–1963
Orrin Hatch | 1977–2019 | 1 | Utah | Republican | 1934–2022
Henry D. Hatfield | 1929–1935 | 1 | West Virginia | Republican | 1875–1962
Mark Hatfield | 1967–1997 | 2 | Oregon | Republican | 1922–2011
Paul G. Hatfield | 1978 | 2 | Montana | Democratic | 1928–2000
William Hathaway | 1973–1979 | 2 | Maine | Democratic | 1924–2013
Henry P. Haun | 1859–1860 | 1 | California | Democratic | 1815–1860
Harry B. Hawes | 1926–1933 | 3 | Missouri | Democratic | 1869–1947
Albert W. Hawkes | 1943–1949 | 2 | New Jersey | Republican | 1878–1971
Benjamin Hawkins | 1789–1791
1791–1795 | 3 | North Carolina | Federalist
Democratic-Republican | 1754–1816
Paula Hawkins | 1981–1987 | 3 | Florida | Republican | 1927–2009
Joseph Roswell Hawley | 1881–1905 | 1 | Connecticut | Republican | 1826–1905
S. I. Hayakawa | 1977–1983 | 1 | California | Republican | 1906–1992
Carl Hayden | 1927–1969 | 3 | Arizona | Democratic | 1877–1972
Arthur P. Hayne | 1858 | 2 | South Carolina | Democratic | 1788–1867
Robert Y. Hayne | 1823–1824
1824–1831
1831–1832 | 2 | South Carolina | Democratic-Republican
Democratic
Nullifier | 1791–1839
Monroe Hayward | 1899 | 1 | Nebraska | Republican | 1840–1899
William Henry Haywood Jr. | 1843–1846 | 3 | North Carolina | Democratic | 1801–1852
George Hearst | 1886
1887–1891 | 1 | California | Democratic | 1820–1891
Felix Hebert | 1929–1935 | 1 | Rhode Island | Republican | 1874–1969
Chic Hecht | 1983–1989 | 1 | Nevada | Republican | 1928–2006
Howell Heflin | 1979–1997 | 2 | Alabama | Democratic | 1921–2005
James Thomas Heflin | 1920–1931 | 2 | Alabama | Democratic | 1869–1951
John Heinz | 1977–1991 | 1 | Pennsylvania | Republican | 1938–1991
John N. Heiskell | 1913 | 2 | Arkansas | Democratic | 1872–1972
Henry Heitfeld | 1897–1901
1901–1903 | 3 | Idaho | Populist
Democratic | 1859–1938
Heidi Heitkamp | 2013–2019 | 1 | North Dakota | Democratic | 1955–present
Dean Heller | 2011–2019 | 1 | Nevada | Republican | 1960–present
Jesse Helms | 1973–2003 | 2 | North Carolina | Republican | 1921–2008
George Helmy | 2024 | 1 | New Jersey | Democratic | 1979–present
James A. Hemenway | 1905–1909 | 3 | Indiana | Republican | 1860–1923
John Hemphill | 1859–1861 | 2 | Texas | Democratic | 1803–1862
Charles Henderson | 1918–1921 | 3 | Nevada | Democratic | 1873–1954
James Pinckney Henderson | 1857–1858 | 1 | Texas | Democratic | 1808–1858
John Henderson | 1839–1845 | 1 | Mississippi | Whig | 1797–1857
John B. Henderson | 1862–1865
1865–1869 | 1 | Missouri | Union
Republican | 1826–1913
Thomas A. Hendricks | 1863–1869 | 1 | Indiana | Democratic | 1819–1885
William Hendricks | 1825–1837 | 3 | Indiana | National Republican | 1782–1850
Robert C. Hendrickson | 1949–1955 | 2 | New Jersey | Republican | 1898–1964
Thomas C. Hennings Jr. | 1951–1960 | 3 | Missouri | Democratic | 1903–1960
John Henry | 1789–1797 | 3 | Maryland | Federalist | 1750–1798
Frank Hereford | 1877–1881 | 1 | West Virginia | Democratic | 1825–1891
Clyde L. Herring | 1937–1943 | 2 | Iowa | Democratic | 1879–1945
Weldon Brinton Heyburn | 1903–1912 | 3 | Idaho | Republican | 1852–1912
Bourke B. Hickenlooper | 1945–1969 | 3 | Iowa | Republican | 1896–1971
Joe Hickey | 1961–1962 | 2 | Wyoming | Democratic | 1911–1970
Thomas Holliday Hicks | 1862–1865 | 3 | Maryland | Unconditional Union | 1798–1865
Anthony Higgins | 1889–1895 | 3 | Delaware | Republican | 1840–1912
Benjamin Harvey Hill | 1877–1882 | 2 | Georgia | Democratic | 1823–1882
David B. Hill | 1892–1897 | 3 | New York | Democratic | 1843–1910
Isaac Hill | 1831–1836 | 3 | New Hampshire | Democratic | 1789–1851
J. Lister Hill | 1938–1969 | 3 | Alabama | Democratic | 1894–1984
Joshua Hill | 1868–1873 | 3 | Georgia | Republican | 1812–1891
Nathaniel P. Hill | 1879–1885 | 3 | Colorado | Republican | 1832–1900
William Luther Hill | 1936 | 3 | Florida | Democratic | 1873–1951
James Hillhouse | 1796–1810 | 1 | Connecticut | Federalist | 1754–1832
William Hindman | 1800–1801 | 3 | Maryland | Federalist | 1743–1822
Frank Hiscock | 1887–1893 | 1 | New York | Republican | 1834–1914
Gilbert Hitchcock | 1911–1923 | 1 | Nebraska | Democratic | 1859–1934
Herbert E. Hitchcock | 1936–1938 | 3 | South Dakota | Democratic | 1867–1958
Phineas Hitchcock | 1871–1877 | 2 | Nebraska | Republican | 1831–1881
George Frisbie Hoar | 1877–1904 | 2 | Massachusetts | Republican | 1826–1904
John Sloss Hobart | 1798 | 1 | New York | Federalist | 1738–1805
John D. Hoblitzell Jr. | 1958 | 2 | West Virginia | Republican | 1912–1962
Kaneaster Hodges Jr. | 1977–1979 | 2 | Arkansas | Democratic | 1938–2022
Clyde R. Hoey | 1945–1954 | 3 | North Carolina | Democratic | 1877–1954
Spessard Holland | 1946–1971 | 1 | Florida | Democratic | 1892–1971
Fritz Hollings | 1966–2005 | 3 | South Carolina | Democratic | 1922–2019
Henry F. Hollis | 1913–1919 | 2 | New Hampshire | Democratic | 1869–1949
Rufus C. Holman | 1939–1945 | 2 | Oregon | Republican | 1877–1959
David Holmes | 1820–1825 | 1 | Mississippi | Democratic-Republican | 1769–1832
John Holmes | 1820–1824
1824–1827
1829–1833 | 1 | Maine | Democratic-Republican
National Republican
National Republican | 1773–1843
Rush Holt Sr. | 1935–1941 | 1 | West Virginia | Democratic | 1905–1955
Albert J. Hopkins | 1903–1909 | 3 | Illinois | Republican | 1846–1922
Outerbridge Horsey | 1810–1821 | 1 | Delaware | Federalist | 1777–1842
Andrew Jackson Houston | 1941 | 2 | Texas | Democratic | 1854–1941
George S. Houston | 1879 | 3 | Alabama | Democratic | 1811–1879
Sam Houston | 1846–1855
1855–1859 | 2 | Texas | Democratic
American | 1793–1863
Guy V. Howard | 1936–1937 | 2 | Minnesota | Republican | 1879–1954
Jacob M. Howard | 1862–1871 | 2 | Michigan | Republican | 1805–1871
John Eager Howard | 1796–1803 | 1 | Maryland | Federalist | 1752–1827
Timothy O. Howe | 1861–1879 | 3 | Wisconsin | Republican | 1816–1883
James B. Howell | 1870–1871 | 2 | Iowa | Republican | 1816–1880
Jeremiah B. Howell | 1811–1817 | 2 | Rhode Island | Democratic-Republican | 1771–1822
Robert B. Howell | 1923–1933 | 1 | Nebraska | Republican | 1864–1933
Benjamin Howland | 1804–1809 | 1 | Rhode Island | Democratic-Republican | 1755–1821
Roman Hruska | 1954–1976 | 2 | Nebraska | Republican | 1904–1999
Henry Hubbard | 1835–1841 | 2 | New Hampshire | Democratic | 1784–1857
Walter Dee Huddleston | 1973–1985 | 2 | Kentucky | Democratic | 1926–2018
James W. Huffman | 1945–1946 | 1 | Ohio | Democratic | 1894–1980
Daniel Elliott Huger | 1843–1845 | 2 | South Carolina | Democratic | 1779–1854
Charles J. Hughes Jr. | 1909–1911 | 3 | Colorado | Democratic | 1853–1911
Harold Hughes | 1969–1975 | 3 | Iowa | Democratic | 1922–1996
James H. Hughes | 1937–1943 | 2 | Delaware | Democratic | 1867–1953
William Hughes | 1913–1918 | 2 | New Jersey | Democratic | 1872–1918
Cordell Hull | 1931–1933 | 2 | Tennessee | Democratic | 1871–1955
Gordon J. Humphrey | 1979–1990 | 2 | New Hampshire | Republican | 1940–present
Hubert Humphrey | 1949–1964
1971–1978 | 1, 2 | Minnesota | Democratic | 1911–1978
Muriel Humphrey | 1978 | 1 | Minnesota | Democratic | 1912–1998
Robert Humphreys | 1956 | 2 | Kentucky | Democratic | 1893–1977
Lester C. Hunt | 1949–1954 | 2 | Wyoming | Democratic | 1892–1954
John Hunter | 1796–1798 | 2 | South Carolina | Democratic-Republican | 1750–1802
Richard C. Hunter | 1934–1935 | 1 | Nebraska | Democratic | 1884–1941
Robert M. T. Hunter | 1847–1861 | 2 | Virginia | Democratic | 1809–1887
William Hunter | 1811–1821 | 1 | Rhode Island | Federalist | 1774–1849
Jabez W. Huntington | 1840–1847 | 1 | Connecticut | Whig | 1788–1847
Eppa Hunton | 1892–1895 | 2 | Virginia | Democratic | 1822–1908
Paul O. Husting | 1915–1917 | 3 | Wisconsin | Democratic | 1866–1917
Tim Hutchinson | 1997–2003 | 2 | Arkansas | Republican | 1949–present
Kay Bailey Hutchison | 1993–2013 | 1 | Texas | Republican | 1943–present
John J. Ingalls | 1873–1891 | 3 | Kansas | Republican | 1833–1900
Jim Inhofe | 1994–2023 | 2 | Oklahoma | Republican | 1934–2024
Daniel Inouye | 1963–2012 | 3 | Hawaii | Democratic | 1924–2012
John L. M. Irby | 1891–1897 | 3 | South Carolina | Democratic | 1854–1900
James Iredell Jr. | 1828–1831 | 3 | North Carolina | Democratic | 1788–1853
Johnny Isakson | 2005–2019 | 3 | Georgia | Republican | 1944–2021
Alfred Iverson Sr. | 1855–1861 | 3 | Georgia | Democratic | 1798–1873
Irving Ives | 1947–1959 | 1 | New York | Republican | 1896–1962
Ralph Izard | 1789–1795 | 3 | South Carolina | Federalist | 1741/1742–1804
Andrew Jackson | 1797–1798
1823–1825 | 1, 2 | Tennessee | Democratic-Republican | 1767–1845
Henry M. Jackson | 1953–1983 | 1 | Washington | Democratic | 1912–1983
Howell Edmunds Jackson | 1881–1886 | 1 | Tennessee | Democratic | 1832–1895
James Jackson | 1793–1795
1801–1806 | 2, 3 | Georgia | Democratic-Republican | 1757–1806
Samuel D. Jackson | 1944 | 3 | Indiana | Democratic | 1895–1951
William Purnell Jackson | 1912–1914 | 1 | Maryland | Republican | 1868–1939
Charles Tillinghast James | 1851–1857 | 1 | Rhode Island | Democratic | 1805–1862
Ollie Murray James | 1913–1918 | 2 | Kentucky | Democratic | 1871–1918
Spencer Jarnagin | 1843–1847 | 2 | Tennessee | Whig | 1792–1853
Thomas Jordan Jarvis | 1894–1895 | 3 | North Carolina | Democratic | 1836–1915
Jacob Javits | 1957–1981 | 3 | New York | Republican | 1904–1986
Jim Jeffords | 1989–2001
2001–2007 | 1 | Vermont | Republican
Independent | 1934–2014
William E. Jenner | 1944–1945
1947–1959 | 1, 3 | Indiana | Republican | 1908–1985
Benning W. Jenness | 1845–1846 | 2 | New Hampshire | Democratic | 1806–1879
Roger Jepsen | 1979–1985 | 2 | Iowa | Republican | 1928–2020
Daniel T. Jewett | 1870–1871 | 3 | Missouri | Republican | 1807–1906
Mike Johanns | 2009–2015 | 2 | Nebraska | Republican | 1950–present
Andrew Johnson | 1857–1862
1875 | 1 | Tennessee | Democratic | 1808–1875
Charles Fletcher Johnson | 1911–1917 | 1 | Maine | Democratic | 1859–1930
Edwin C. Johnson | 1937–1955 | 2 | Colorado | Democratic | 1884–1970
Edwin S. Johnson | 1915–1921 | 3 | South Dakota | Democratic | 1857–1933
Henry Johnson | 1818–1823
1823–1824
1844–1849 | 2, 3 | Louisiana | Democratic-Republican
National Republican
Whig | 1783–1864
Herschel V. Johnson | 1848–1849 | 2 | Georgia | Democratic | 1812–1880
Hiram Johnson | 1917–1945 | 1 | California | Republican | 1866–1945
Lyndon B. Johnson | 1949–1961 | 2 | Texas | Democratic | 1908–1973
Magnus Johnson | 1923–1925 | 2 | Minnesota | Farmer–Labor | 1871–1936
Martin N. Johnson | 1909 | 3 | North Dakota | Republican | 1850–1909
Reverdy Johnson | 1845–1849
1863–1868 | 1 | Maryland | Whig
Democratic | 1796–1876
Richard Mentor Johnson | 1819–1824
1824–1829 | 2 | Kentucky | Democratic-Republican
Democratic | 1780–1850
Robert Ward Johnson | 1853–1861 | 3 | Arkansas | Democratic | 1814–1879
Tim Johnson | 1997–2015 | 2 | South Dakota | Democratic | 1946–2024
Waldo P. Johnson | 1861–1862 | 2 | Missouri | Democratic | 1817–1885
William Samuel Johnson | 1789–1791 | 3 | Connecticut | Federalist | 1727–1819
J. Bennett Johnston | 1972–1997 | 2 | Louisiana | Democratic | 1932–2025
John W. Johnston | 1870–1871
1871–1883 | 2 | Virginia | Democratic | 1818–1889
Joseph F. Johnston | 1907–1913 | 3 | Alabama | Democratic | 1843–1913
Josiah S. Johnston | 1824–1833 | 3 | Louisiana | National Republican | 1784–1833
Olin D. Johnston | 1945–1965 | 3 | South Carolina | Democratic | 1896–1965
Rienzi Melville Johnston | 1913 | 2 | Texas | Democratic | 1849–1926
Samuel Johnston | 1789–1793 | 3 | North Carolina | Federalist | 1733–1816
Benjamin F. Jonas | 1879–1885 | 3 | Louisiana | Democratic | 1834–1911
Andrieus A. Jones | 1917–1927 | 1 | New Mexico | Democratic | 1862–1927
Charles W. Jones | 1875–1887 | 1 | Florida | Democratic | 1834–1897
Doug Jones | 2018–2021 | 2 | Alabama | Democratic | 1954–present
George Jones | 1807 | 2 | Georgia | Democratic-Republican | 1766–1838
George Wallace Jones | 1848–1859 | 2 | Iowa | Democratic | 1804–1896
James C. Jones | 1851–1856
1856–1857 | 1 | Tennessee | Whig
Democratic | 1809–1859
James Kimbrough Jones | 1885–1903 | 3 | Arkansas | Democratic | 1839–1908
John Percival Jones | 1873–1895
1895–1901
1901–1903 | 3 | Nevada | Republican
Silverite
Republican | 1829–1912
Wesley Livsey Jones | 1909–1932 | 3 | Washington | Republican | 1863–1932
B. Everett Jordan | 1958–1973 | 2 | North Carolina | Democratic | 1896–1974
Leonard B. Jordan | 1962–1973 | 2 | Idaho | Republican | 1899–1983
Elias Kane | 1825–1835 | 3 | Illinois | Democratic | 1794–1835
David Karnes | 1987–1989 | 1 | Nebraska | Republican | 1948–2020
Nancy Kassebaum | 1978–1997 | 2 | Kansas | Republican | 1932–present
Bob Kasten | 1981–1993 | 3 | Wisconsin | Republican | 1942–present
Ted Kaufman | 2009–2010 | 2 | Delaware | Democratic | 1939–present
William Marmaduke Kavanaugh | 1913 | 2 | Arkansas | Democratic | 1866–1915
Hamilton Fish Kean | 1929–1935 | 1 | New Jersey | Republican | 1862–1941
John Kean | 1899–1911 | 1 | New Jersey | Republican | 1852–1914
Thomas Kearns | 1901–1905 | 1 | Utah | Republican | 1862–1918
Kenneth Keating | 1959–1965 | 1 | New York | Republican | 1900–1975
Estes Kefauver | 1949–1963 | 2 | Tennessee | Democratic | 1903–1963
Frank B. Kellogg | 1917–1923 | 1 | Minnesota | Republican | 1856–1937
William Pitt Kellogg | 1868–1872
1877–1883 | 2, 3 | Louisiana | Republican | 1830–1918
James K. Kelly | 1871–1877 | 2 | Oregon | Democratic | 1819–1903
William Kelly | 1822–1825 | 3 | Alabama | Democratic-Republican | 1786–1834
James P. Kem | 1947–1953 | 1 | Missouri | Republican | 1890–1965
Dirk Kempthorne | 1993–1999 | 3 | Idaho | Republican | 1951–present
John B. Kendrick | 1917–1933 | 1 | Wyoming | Democratic | 1857–1933
John E. Kenna | 1883–1893 | 2 | West Virginia | Democratic | 1848–1893
Anthony Kennedy | 1857–1863 | 1 | Maryland | American | 1810–1892
John F. Kennedy | 1953–1960 | 1 | Massachusetts | Democratic | 1917–1963
Robert F. Kennedy | 1965–1968 | 1 | New York | Democratic | 1925–1968
Ted Kennedy | 1962–2009 | 1 | Massachusetts | Democratic | 1932–2009
Richard R. Kenney | 1897–1901 | 2 | Delaware | Democratic | 1856–1931
Joseph Kent | 1833–1837 | 1 | Maryland | Whig | 1779–1837
William S. Kenyon | 1911–1922 | 2 | Iowa | Republican | 1869–1933
John W. Kern | 1911–1917 | 1 | Indiana | Democratic | 1849–1917
Francis Kernan | 1875–1881 | 1 | New York | Democratic | 1816–1892
John Leeds Kerr | 1841–1843 | 3 | Maryland | Whig | 1780–1844
Joseph Kerr | 1814–1815 | 1 | Ohio | Democratic-Republican | 1765–1837
Robert S. Kerr | 1949–1963 | 2 | Oklahoma | Democratic | 1896–1963
Bob Kerrey | 1989–2001 | 1 | Nebraska | Democratic | 1943–present
John Kerry | 1985–2013 | 2 | Massachusetts | Democratic | 1943–present
David M. Key | 1875–1877 | 1 | Tennessee | Democratic | 1824–1900
Henry W. Keyes | 1919–1937 | 2 | New Hampshire | Republican | 1862–1938
Harley M. Kilgore | 1941–1956 | 1 | West Virginia | Democratic | 1893–1956
John Pendleton King | 1833–1837 | 2 | Georgia | Democratic | 1799–1888
Preston King | 1857–1863 | 1 | New York | Republican | 1806–1865
Rufus King | 1789–1796
1813–1825 | 3 | New York | Federalist | 1755–1827
William H. King | 1917–1941 | 1 | Utah | Democratic | 1863–1949
William R. King | 1819–1844
1848–1852 | 2, 3 | Alabama | Democratic | 1786–1853
William F. Kirby | 1916–1921 | 3 | Arkansas | Democratic | 1867–1934
Mark Kirk | 2010–2017 | 3 | Illinois | Republican | 1959–present
Paul G. Kirk | 2009–2010 | 1 | Massachusetts | Democratic | 1938–present
Samuel J. Kirkwood | 1866–1867
1877–1881 | 2, 3 | Iowa | Republican | 1813–1894
Aaron Kitchell | 1805–1809 | 2 | New Jersey | Democratic-Republican | 1744–1820
Alfred B. Kittredge | 1901–1909 | 3 | South Dakota | Republican | 1861–1911
Nehemiah R. Knight | 1821–1824
1824–1832
1832–1841 | 2 | Rhode Island | Democratic-Republican
National Republican
Whig | 1780–1854
William Knowland | 1945–1959 | 1 | California | Republican | 1908–1974
Philander C. Knox | 1904–1909
1917–1921 | 1 | Pennsylvania | Republican | 1853–1921
Herb Kohl | 1989–2013 | 1 | Wisconsin | Democratic | 1935–2023
Bob Krueger | 1993 | 1 | Texas | Democratic | 1935–2022
Thomas Kuchel | 1953–1969 | 3 | California | Republican | 1910–1994
Jon Kyl | 1995–2013
2018 | 1
3 | Arizona | Republican | 1942–present
James H. Kyle | 1891–1901 | 3 | South Dakota | Populist | 1854–1901
Robert M. La Follette | 1906–1925 | 1 | Wisconsin | Republican | 1855–1925
Robert M. La Follette Jr. | 1925–1934
1934–1947 | 1 | Wisconsin | Republican
Progressive | 1895–1953
Abner Lacock | 1813–1819 | 3 | Pennsylvania | Democratic-Republican | 1770–1837
Edwin F. Ladd | 1921–1925 | 3 | North Dakota | Republican | 1859–1925
William Laird III | 1956 | 1 | West Virginia | Democratic | 1916–1974
Lucius Quintus Cincinnatus Lamar | 1877–1885 | 2 | Mississippi | Democratic | 1825–1893
John Lambert | 1809–1815 | 1 | New Jersey | Democratic-Republican | 1746–1823
Mary Landrieu | 1997–2015 | 2 | Louisiana | Democratic | 1955–present
Harry Lane | 1913–1917 | 2 | Oregon | Democratic | 1855–1917
Henry S. Lane | 1861–1867 | 3 | Indiana | Republican | 1811–1881
Jim Lane | 1861–1866 | 2 | Kansas | Republican | 1814–1866
Joseph Lane | 1859–1861 | 3 | Oregon | Democratic | 1801–1881
John Langdon | 1789–1793
1793–1801 | 3 | New Hampshire | Federalist
Democratic-Republican | 1741–1819
William Langer | 1941–1959 | 1 | North Dakota | Republican | 1886–1959
James Lanman | 1819–1825 | 3 | Connecticut | Democratic-Republican | 1767–1841
Elbridge G. Lapham | 1881–1885 | 3 | New York | Republican | 1814–1890
Octaviano Ambrosio Larrazolo | 1928–1929 | 1 | New Mexico | Republican | 1859–1930
Milton Latham | 1860–1863 | 1 | California | Democratic | 1827–1882
Asbury Latimer | 1903–1908 | 3 | South Carolina | Democratic | 1851–1908
Henry Latimer | 1795–1801 | 1 | Delaware | Federalist | 1752–1819
John Laurance | 1796–1800 | 3 | New York | Federalist | 1750–1810
Frank Lausche | 1957–1969 | 3 | Ohio | Democratic | 1895–1990
Frank Lautenberg | 1982–2001
2003–2013 | 1
2 | New Jersey | Democratic | 1924–2013
Paul Laxalt | 1974–1987 | 3 | Nevada | Republican | 1922–2018
Luke Lea | 1911–1917 | 1 | Tennessee | Democratic | 1879–1945
Edward L. Leahy | 1949–1950 | 1 | Rhode Island | Democratic | 1886–1953
Patrick Leahy | 1975–2023 | 3 | Vermont | Democratic | 1940–present
Walter Leake | 1817–1820 | 1 | Mississippi | Democratic-Republican | 1762–1825
Blair Lee I | 1914–1917 | 1 | Maryland | Democratic | 1857–1944
Joshua B. Lee | 1937–1943 | 2 | Oklahoma | Democratic | 1892–1967
Richard Henry Lee | 1789–1792 | 2 | Virginia | Democratic-Republican | 1732–1794
Herbert H. Lehman | 1950–1957 | 3 | New York | Democratic | 1878–1963
Michael Leib | 1809–1814 | 1 | Pennsylvania | Democratic-Republican | 1760–1822
Benjamin W. Leigh | 1834–1836 | 2 | Virginia | National Republican | 1781–1849
George LeMieux | 2009–2011 | 3 | Florida | Republican | 1969–present
Alton Lennon | 1953–1954 | 2 | North Carolina | Democratic | 1906–1986
Irvine Lenroot | 1918–1927 | 3 | Wisconsin | Republican | 1869–1949
Carl Levin | 1979–2015 | 2 | Michigan | Democratic | 1934–2021
Dixon Hall Lewis | 1844–1848 | 2 | Alabama | Democratic | 1802–1848
J. Hamilton Lewis | 1913–1919
1931–1939 | 2 | Illinois | Democratic | 1863–1939
John F. Lewis | 1870–1875 | 1 | Virginia | Republican | 1818–1895
Joe Lieberman | 1989–2006
2006–2013 | 1 | Connecticut | Democratic
Independent Democrat | 1942–2024
Blanche Lincoln | 1999–2011 | 3 | Arkansas | Democratic | 1960–present
William Lindsay | 1893–1901 | 2 | Kentucky | Democratic | 1835–1909
Lewis F. Linn | 1833–1843 | 3 | Missouri | Democratic | 1796–1843
Henry F. Lippitt | 1911–1917 | 1 | Rhode Island | Republican | 1856–1933
Samuel Livermore | 1793–1801 | 2 | New Hampshire | Federalist | 1732–1803
Edward Livingston | 1829–1831 | 2 | Louisiana | Democratic | 1764–1836
Edward Lloyd | 1819–1824
1824–1826 | 3 | Maryland | Democratic-Republican
Democratic | 1779–1834
James Lloyd | 1797–1800 | 3 | Maryland | Federalist | 1745–1820
James Lloyd | 1808–1813
1822–1824
1824–1826 | 1, 2 | Massachusetts | Federalist
National Republican
National Republican | 1769–1831
Cyrus Locher | 1928 | 3 | Ohio | Democratic | 1878–1929
Francis Locke Jr. | 1814–1815 | 3 | North Carolina | Democratic-Republican | 1776–1823
Henry Cabot Lodge | 1893–1924 | 1 | Massachusetts | Republican | 1850–1924
Henry Cabot Lodge Jr. | 1937–1944
1947–1953 | 1, 2 | Massachusetts | Republican | 1902–1985
Kelly Loeffler | 2020–2021 | 3 | Georgia | Republican | 1970–present
Scott Loftin | 1936 | 1 | Florida | Democratic | 1878–1953
George Logan | 1801–1807 | 3 | Pennsylvania | Democratic-Republican | 1753–1821
John A. Logan | 1871–1877
1879–1886 | 2, 3 | Illinois | Republican | 1826–1886
M. M. Logan | 1931–1939 | 2 | Kentucky | Democratic | 1874–1939
William Logan | 1819–1820 | 3 | Kentucky | Democratic-Republican | 1776–1822
Augustine Lonergan | 1933–1939 | 3 | Connecticut | Democratic | 1874–1947
Chester I. Long | 1903–1909 | 3 | Kansas | Republican | 1860–1934
Edward V. Long | 1960–1968 | 3 | Missouri | Democratic | 1908–1972
Huey Long | 1932–1935 | 2 | Louisiana | Democratic | 1893–1935
Oren E. Long | 1959–1963 | 3 | Hawaii | Democratic | 1889–1965
Rose McConnell Long | 1936–1937 | 2 | Louisiana | Democratic | 1892–1970
Russell B. Long | 1948–1987 | 3 | Louisiana | Democratic | 1918–2003
William Lorimer | 1909–1912 | 3 | Illinois | Republican | 1861–1934
Trent Lott | 1989–2007 | 1 | Mississippi | Republican | 1941–present
Walter Lowrie | 1819–1825 | 3 | Pennsylvania | Democratic-Republican | 1784–1868
Scott W. Lucas | 1939–1951 | 3 | Illinois | Democratic | 1892–1968
Richard Lugar | 1977–2013 | 1 | Indiana | Republican | 1932–2019
Alva M. Lumpkin | 1941 | 2 | South Carolina | Democratic | 1886–1941
Wilson Lumpkin | 1837–1841 | 2 | Georgia | Democratic | 1783–1870
Ernest Lundeen | 1937–1940 | 2 | Minnesota | Farmer–Labor | 1878–1940
Hall S. Lusk | 1960 | 2 | Oregon | Democratic | 1883–1983
Lucius Lyon | 1837–1839 | 1 | Michigan | Democratic | 1800–1851
Willis Benson Machen | 1872–1873 | 3 | Kentucky | Democratic | 1810–1893
Connie Mack III | 1989–2001 | 1 | Florida | Republican | 1940–present
Samuel Maclay | 1803–1809 | 1 | Pennsylvania | Democratic-Republican | 1741–1811
William Maclay | 1789–1791 | 1 | Pennsylvania | Democratic-Republican | 1737–1804
Nathaniel Macon | 1815–1824
1824–1828 | 3 | North Carolina | Democratic-Republican
Democratic | 1757–1837
Warren Magnuson | 1944–1981 | 3 | Washington | Democratic | 1905–1989
Allan B. Magruder | 1812–1813 | 3 | Louisiana | Democratic-Republican | 1775–1822
William Mahone | 1881–1887 | 1 | Virginia | Readjuster | 1826–1895
Francis Malbone | 1809 | 1 | Rhode Island | Federalist | 1759–1809
Stephen Mallory | 1851–1861 | 1 | Florida | Democratic | 1812–1873
Stephen Mallory II | 1897–1907 | 3 | Florida | Democratic | 1848–1907
George W. Malone | 1947–1959 | 1 | Nevada | Republican | 1890–1961
Francis T. Maloney | 1935–1945 | 1 | Connecticut | Democratic | 1894–1945
Joe Manchin | 2010–2025 | 1 | West Virginia | Democratic
Independent | 1947–present
Charles F. Manderson | 1883–1895 | 2 | Nebraska | Republican | 1837–1911
Willie Person Mangum | 1831–1833
1833–1836
1840–1853 | 2, 3 | North Carolina | Democratic
National Republican
Whig | 1792–1861
Mike Mansfield | 1953–1977 | 1 | Montana | Democratic | 1903–2001
Lee Mantle | 1895–1896
1896–1899 | 1 | Montana | Republican
Silver Republican | 1851–1934
William L. Marcy | 1831–1833 | 3 | New York | Democratic | 1786–1857
William Marks | 1825–1831 | 3 | Pennsylvania | National Republican | 1778–1858
Humphrey Marshall | 1795–1801 | 3 | Kentucky | Federalist | 1760–1841
Gilman Marston | 1889 | 2 | New Hampshire | Republican | 1811–1890
Alexander Martin | 1793–1799 | 2 | North Carolina | Democratic-Republican | 1740–1807
Edward Martin | 1947–1959 | 1 | Pennsylvania | Republican | 1879–1967
George B. Martin | 1918–1919 | 2 | Kentucky | Democratic | 1876–1945
John Martin | 1893–1895 | 2 | Kansas | Democratic | 1833–1913
Thomas E. Martin | 1955–1961 | 2 | Iowa | Republican | 1893–1971
Thomas S. Martin | 1895–1919 | 2 | Virginia | Democratic | 1847–1919
James Edgar Martine | 1911–1917 | 1 | New Jersey | Democratic | 1850–1925
Mel Martínez | 2005–2009 | 3 | Florida | Republican | 1946–present
Armistead Thomson Mason | 1816–1817 | 2 | Virginia | Democratic-Republican | 1787–1819
James Murray Mason | 1847–1861 | 1 | Virginia | Democratic | 1798–1871
Jeremiah Mason | 1813–1817 | 3 | New Hampshire | Federalist | 1768–1848
Jonathan Mason | 1800–1803 | 1 | Massachusetts | Federalist | 1756–1831
Stevens Thomson Mason | 1794–1803 | 1 | Virginia | Democratic-Republican | 1760–1803
William E. Mason | 1897–1903 | 3 | Illinois | Republican | 1850–1921
William A. Massey | 1912–1913 | 1 | Nevada | Republican | 1856–1914
Harlan Mathews | 1993–1994 | 2 | Tennessee | Democratic | 1927–2014
Elisha Mathewson | 1807–1811 | 2 | Rhode Island | Democratic-Republican | 1767–1853
Charles Mathias | 1969–1987 | 3 | Maryland | Republican | 1922–2010
Spark Matsunaga | 1977–1990 | 1 | Hawaii | Democratic | 1916–1990
Stanley Matthews | 1877–1879 | 3 | Ohio | Republican | 1824–1889
Mack Mattingly | 1981–1987 | 3 | Georgia | Republican | 1931–present
Samuel B. Maxey | 1875–1887 | 1 | Texas | Democratic | 1825–1895
Burnet R. Maybank | 1941–1954 | 2 | South Carolina | Democratic | 1899–1954
Earle Bradford Mayfield | 1923–1929 | 1 | Texas | Democratic | 1881–1964
William Gibbs McAdoo | 1933–1938 | 2 | California | Democratic | 1863–1941
George W. McBride | 1895–1901 | 3 | Oregon | Republican | 1854–1911
John McCain | 1987–2018 | 3 | Arizona | Republican | 1936–2018
Pat McCarran | 1933–1954 | 3 | Nevada | Democratic | 1876–1954
Eugene McCarthy | 1959–1971 | 1 | Minnesota | Democratic | 1916–2005
Joseph McCarthy | 1947–1957 | 1 | Wisconsin | Republican | 1908–1957
Claire McCaskill | 2007–2019 | 1 | Missouri | Democratic | 1953–present
John L. McClellan | 1943–1977 | 2 | Arkansas | Democratic | 1896–1977
Jim McClure | 1973–1991 | 2 | Idaho | Republican | 1924–2011
Louis E. McComas | 1899–1905 | 1 | Maryland | Republican | 1846–1907
William J. McConnell | 1890–1891 | 3 | Idaho | Republican | 1839–1925
Medill McCormick | 1919–1925 | 2 | Illinois | Republican | 1877–1925
James B. McCreary | 1903–1909 | 3 | Kentucky | Democratic | 1838–1918
Thomas C. McCreery | 1868–1871
1873–1879 | 2, 3 | Kentucky | Democratic | 1816–1890
Roscoe C. McCulloch | 1929–1930 | 3 | Ohio | Republican | 1880–1958
Porter J. McCumber | 1899–1923 | 1 | North Dakota | Republican | 1858–1933
James W. McDill | 1881–1883 | 2 | Iowa | Republican | 1834–1894
Alexander McDonald | 1868–1871 | 2 | Arkansas | Republican | 1832–1903
Joseph E. McDonald | 1875–1881 | 1 | Indiana | Democratic | 1819–1891
James A. McDougall | 1861–1867 | 3 | California | Democratic | 1817–1867
George McDuffie | 1842–1846 | 3 | South Carolina | Democratic | 1790–1851
Samuel D. McEnery | 1897–1910 | 3 | Louisiana | Democratic | 1837–1910
Ernest McFarland | 1941–1953 | 1 | Arizona | Democratic | 1894–1984
Gale W. McGee | 1959–1977 | 1 | Wyoming | Democratic | 1915–1992
George McGill | 1930–1939 | 3 | Kansas | Democratic | 1879–1963
George McGovern | 1963–1981 | 3 | South Dakota | Democratic | 1922–2012
J. Howard McGrath | 1947–1949 | 1 | Rhode Island | Democratic | 1903–1966
Joseph McIlvaine | 1823–1824
1824–1826 | 1 | New Jersey | Democratic-Republican
National Republican | 1769–1826
Thomas J. McIntyre | 1962–1979 | 2 | New Hampshire | Democratic | 1915–1992
Samuel McKean | 1833–1839 | 1 | Pennsylvania | Democratic | 1787–1841
Kenneth McKellar | 1917–1953 | 1 | Tennessee | Democratic | 1869–1957
John McKinley | 1826–1831
1837 | 3 | Alabama | Democratic | 1780–1852
William B. McKinley | 1921–1926 | 3 | Illinois | Republican | 1856–1926
Louis McLane | 1827–1829 | 1 | Delaware | Democratic | 1786–1857
Anselm J. McLaurin | 1894–1895
1901–1909 | 2 | Mississippi | Democratic | 1848–1909
John L. McLaurin | 1897–1903 | 3 | South Carolina | Democratic | 1860–1934
George P. McLean | 1911–1929 | 1 | Connecticut | Republican | 1857–1932
John McLean | 1824–1825
1829–1830 | 2, 3 | Illinois | Democratic | 1791–1830
Brien McMahon | 1945–1952 | 3 | Connecticut | Democratic | 1903–1952
William H. McMaster | 1925–1931 | 2 | South Dakota | Republican | 1877–1968
James McMillan | 1889–1902 | 2 | Michigan | Republican | 1838–1902
Samuel J. R. McMillan | 1875–1887 | 2 | Minnesota | Republican | 1826–1897
Patrick V. McNamara | 1955–1966 | 2 | Michigan | Democratic | 1894–1966
Charles L. McNary | 1917–1918
1918–1944 | 2 | Oregon | Republican | 1874–1944
John R. McPherson | 1877–1895 | 2 | New Jersey | Democratic | 1833–1897
John J. McRae | 1851–1852 | 1 | Mississippi | Democratic | 1815–1868
Samuel McRoberts | 1841–1843 | 2 | Illinois | Democratic | 1799–1843
Martha McSally | 2019–2020 | 3 | Arizona | Republican | 1966–present
James M. Mead | 1938–1947 | 1 | New York | Democratic | 1885–1964
Rice W. Means | 1924–1927 | 3 | Colorado | Republican | 1877–1949
Edwin L. Mechem | 1962–1964 | 1 | New Mexico | Republican | 1912–2002
Return J. Meigs Jr. | 1808–1810 | 1 | Ohio | Democratic-Republican | 1764–1825
John Melcher | 1977–1989 | 1 | Montana | Democratic | 1924–2018
Prentiss Mellen | 1818–1820 | 1 | Massachusetts | Federalist | 1764–1840
Bob Menendez | 2006–2024 | 1 | New Jersey | Democratic | 1954–present
David Meriwether | 1852 | 3 | Kentucky | Democratic | 1800–1893
William Duhurst Merrick | 1838–1845 | 1 | Maryland | Whig | 1793–1857
Augustus Summerfield Merrimon | 1873–1879 | 3 | North Carolina | Democratic | 1830–1892
Jesse H. Metcalf | 1924–1937 | 2 | Rhode Island | Republican | 1860–1942
Lee Metcalf | 1961–1978 | 2 | Montana | Democratic | 1911–1978
Thomas Metcalfe | 1848–1849 | 3 | Kentucky | Whig | 1780–1855
Howard Metzenbaum | 1974
1976–1995 | 3
1 | Ohio | Democratic | 1917–2008
Barbara Mikulski | 1987–2017 | 3 | Maryland | Democratic | 1936–present
Joseph Millard | 1901–1907 | 2 | Nebraska | Republican | 1836–1922
John Milledge | 1806–1809 | 3 | Georgia | Democratic-Republican | 1757–1818
Bert H. Miller | 1949 | 2 | Idaho | Democratic | 1879–1949
Homer V. M. Miller | 1869–1871 | 2 | Georgia | Democratic | 1814–1896
Jack Miller | 1961–1973 | 2 | Iowa | Republican | 1916–1994
Jacob W. Miller | 1841–1853 | 2 | New Jersey | Whig | 1800–1862
John E. Miller | 1937–1941 | 2 | Arkansas | Democratic | 1888–1981
John Franklin Miller | 1881–1886 | 1 | California | Republican | 1831–1886
Stephen Decatur Miller | 1831–1833 | 3 | South Carolina | Nullifier | 1787–1838
Warner Miller | 1881–1887 | 1 | New York | Republican | 1838–1918
Zell Miller | 2000–2005 | 3 | Georgia | Democratic | 1932–2018
Eugene Millikin | 1941–1957 | 3 | Colorado | Republican | 1891–1958
Elijah H. Mills | 1820–1824
1824–1827 | 1 | Massachusetts | Federalist
National Republican | 1776–1829
Roger Q. Mills | 1892–1899 | 1 | Texas | Democratic | 1832–1911
John Gerald Milton | 1938 | 1 | New Jersey | Democratic | 1881–1977
William Hall Milton | 1908–1909 | 3 | Florida | Democratic | 1864–1942
Sherman Minton | 1935–1941 | 1 | Indiana | Democratic | 1890–1965
Charles B. Mitchel | 1861 | 3 | Arkansas | Democratic | 1815–1864
George J. Mitchell | 1980–1995 | 1 | Maine | Democratic | 1933–present
Hugh Mitchell | 1945–1946 | 1 | Washington | Democratic | 1907–1996
John H. Mitchell | 1873–1879
1885–1897
1901–1905 | 1 | Oregon | Republican | 1835–1905
John I. Mitchell | 1881–1887 | 1 | Pennsylvania | Republican | 1838–1907
John L. Mitchell | 1893–1899 | 3 | Wisconsin | Democratic | 1842–1904
Stephen Mix Mitchell | 1793–1795 | 2, 3 | Connecticut | Federalist | 1743–1835
Samuel L. Mitchill | 1804–1809 | 1 | New York | Democratic-Republican | 1764–1831
Walter Mondale | 1964–1976 | 2 | Minnesota | Democratic | 1928–2021
Hernando Money | 1897–1911 | 1 | Mississippi | Democratic | 1839–1912
James Monroe | 1790–1794 | 1 | Virginia | Democratic-Republican | 1758–1831
Mike Monroney | 1951–1969 | 3 | Oklahoma | Democratic | 1902–1980
Joseph Montoya | 1964–1977 | 1 | New Mexico | Democratic | 1915–1978
Blair Moody | 1951–1952 | 1 | Michigan | Democratic | 1902–1954
Gideon C. Moody | 1889–1891 | 3 | South Dakota | Republican | 1832–1904
Wyman B. S. Moor | 1848 | 1 | Maine | Democratic | 1811–1869
A. Harry Moore | 1935–1938 | 1 | New Jersey | Democratic | 1879–1952
Andrew Moore | 1804–1809 | 1, 2 | Virginia | Democratic-Republican | 1752–1821
Edward H. Moore | 1943–1949 | 2 | Oklahoma | Republican | 1871–1950
Gabriel Moore | 1831–1833
1833–1837 | 3 | Alabama | Democratic
National Republican | 1785–1845
James Turner Morehead | 1841–1847 | 2 | Kentucky | Whig | 1797–1854
Edwin D. Morgan | 1863–1869 | 1 | New York | Republican | 1811–1883
John Tyler Morgan | 1877–1907 | 2 | Alabama | Democratic | 1824–1907
Robert B. Morgan | 1975–1981 | 3 | North Carolina | Democratic | 1925–2016
David L. Morril | 1817–1823 | 2 | New Hampshire | Democratic-Republican | 1772–1849
Justin S. Morrill | 1867–1898 | 3 | Vermont | Republican | 1810–1898
Lot M. Morrill | 1861–1869
1869–1876 | 1, 2 | Maine | Republican | 1813–1883
Gouverneur Morris | 1800–1803 | 1 | New York | Federalist | 1752–1816
Robert Morris | 1789–1795 | 3 | Pennsylvania | Federalist | 1734–1806
Thomas Morris | 1833–1839 | 1 | Ohio | Democratic | 1776–1844
Cameron A. Morrison | 1930–1932 | 3 | North Carolina | Democratic | 1869–1953
Dwight Morrow | 1930–1931 | 2 | New Jersey | Republican | 1873–1931
Jeremiah Morrow | 1813–1819 | 3 | Ohio | Democratic-Republican | 1771–1852
Wayne Morse | 1945–1952
1952–1955
1955–1969 | 3 | Oregon | Republican
Independent
Democratic | 1900–1974
Jackson Morton | 1849–1855 | 3 | Florida | Whig | 1794–1874
Oliver P. Morton | 1867–1877 | 3 | Indiana | Republican | 1823–1877
Thruston Ballard Morton | 1957–1968 | 3 | Kentucky | Republican | 1907–1982
Carol Moseley Braun | 1993–1999 | 3 | Illinois | Democratic | 1947–present
George H. Moses | 1918–1933 | 3 | New Hampshire | Republican | 1869–1944
John Moses | 1945 | 3 | North Dakota | Democratic | 1885–1945
Frank Moss | 1959–1977 | 1 | Utah | Democratic | 1911–2003
Alexandre Mouton | 1837–1842 | 3 | Louisiana | Democratic | 1804–1885
Daniel Patrick Moynihan | 1977–2001 | 1 | New York | Democratic | 1927–2003
Peter Muhlenberg | 1801 | 3 | Pennsylvania | Democratic-Republican | 1746–1807
Frederick W. Mulkey | 1907
1918 | 2 | Oregon | Republican | 1874–1924
Karl Mundt | 1948–1973 | 2 | South Dakota | Republican | 1900–1974
Orrice Abram Murdock Jr. | 1941–1947 | 1 | Utah | Democratic | 1893–1979
Frank Murkowski | 1981–2002 | 3 | Alaska | Republican | 1933–present
Edward Murphy Jr. | 1893–1899 | 1 | New York | Democratic | 1834–1911
George Murphy | 1965–1971 | 1 | California | Republican | 1902–1992
Maurice J. Murphy Jr. | 1961–1962 | 2 | New Hampshire | Republican | 1927–2002
Richard L. Murphy | 1933–1936 | 3 | Iowa | Democratic | 1875–1936
James E. Murray | 1934–1961 | 2 | Montana | Democratic | 1876–1961
Edmund Muskie | 1959–1980 | 1 | Maine | Democratic | 1914–1996
Francis J. Myers | 1945–1951 | 3 | Pennsylvania | Democratic | 1901–1956
Henry L. Myers | 1911–1923 | 1 | Montana | Democratic | 1862–1943
Arnold Naudain | 1830–1836 | 1 | Delaware | National Republican | 1790–1872
Matthew M. Neely | 1923–1929
1931–1941
1949–1958 | 1, 2 | West Virginia | Democratic | 1874–1958
Arthur E. Nelson | 1942–1943 | 2 | Minnesota | Republican | 1892–1955
Ben Nelson | 2001–2013 | 1 | Nebraska | Democratic | 1941–present
Bill Nelson | 2001–2019 | 1 | Florida | Democratic | 1942–present
Gaylord Nelson | 1963–1981 | 3 | Wisconsin | Democratic | 1916–2005
Knute Nelson | 1895–1923 | 2 | Minnesota | Republican | 1843–1923
James Nesmith | 1861–1867 | 3 | Oregon | Democratic | 1820–1885
Maurine Neuberger | 1960–1967 | 2 | Oregon | Democratic | 1907–2000
Richard L. Neuberger | 1955–1960 | 2 | Oregon | Democratic | 1912–1960
Harry Stewart New | 1917–1923 | 1 | Indiana | Republican | 1858–1937
Truman Handy Newberry | 1919–1922 | 2 | Michigan | Republican | 1864–1945
Francis G. Newlands | 1903–1917 | 3 | Nevada | Democratic | 1846–1917
Robert C. Nicholas | 1836–1841 | 2 | Louisiana | Democratic | 1787–1856
Wilson Cary Nicholas | 1799–1804 | 2 | Virginia | Democratic-Republican | 1761–1820
Alfred O. P. Nicholson | 1840–1842
1859–1861 | 1, 2 | Tennessee | Democratic | 1808–1876
Samuel D. Nicholson | 1921–1923 | 2 | Colorado | Republican | 1859–1923
Don Nickles | 1981–2005 | 3 | Oklahoma | Republican | 1948–present
John Milton Niles | 1835–1839
1843–1849 | 1, 3 | Connecticut | Democratic | 1787–1856
George S. Nixon | 1905–1912 | 1 | Nevada | Republican | 1860–1912
Richard Nixon | 1950–1953 | 3 | California | Republican | 1913–1994
James Noble | 1816–1831 | 1 | Indiana | National Republican | 1785–1831
Peter Norbeck | 1921–1936 | 3 | South Dakota | Republican | 1870–1936
George W. Norris | 1913–1936
1936–1943 | 2 | Nebraska | Republican
Independent | 1861–1944
Moses Norris Jr. | 1849–1855 | 3 | New Hampshire | Democratic | 1799–1855
William North | 1798 | 1 | New York | Federalist | 1755–1836
Daniel Sheldon Norton | 1865–1870 | 2 | Minnesota | Republican | 1829–1870
John Norvell | 1837–1841 | 2 | Michigan | Democratic | 1789–1850
Thomas M. Norwood | 1871–1877 | 2 | Georgia | Democratic | 1830–1913
Amos Nourse | 1857 | 1 | Maine | Republican | 1794–1877
John F. Nugent | 1918–1921 | 3 | Idaho | Democratic | 1868–1931
Sam Nunn | 1972–1997 | 2 | Georgia | Democratic | 1938–present
Gerald Nye | 1925–1945 | 3 | North Dakota | Republican | 1892–1971
James W. Nye | 1864–1873 | 3 | Nevada | Republican | 1815–1876
Herbert O'Conor | 1947–1953 | 1 | Maryland | Democratic | 1896–1960
W. Lee O'Daniel | 1941–1949 | 2 | Texas | Democratic | 1890–1969
James Aloysius O'Gorman | 1911–1917 | 1 | New York | Democratic | 1860–1943
Joseph C. O'Mahoney | 1934–1953
1954–1961 | 1, 2 | Wyoming | Democratic | 1884–1962
Barack Obama | 2005–2008 | 3 | Illinois | Democratic | 1961–present
Tasker Oddie | 1921–1933 | 3 | Nevada | Republican | 1870–1950
Aaron Ogden | 1801–1803 | 1 | New Jersey | Federalist | 1756–1839
Richard J. Oglesby | 1873–1879 | 3 | Illinois | Republican | 1824–1899
Simeon Olcott | 1801–1805 | 2 | New Hampshire | Federalist | 1735–1815
George T. Oliver | 1909–1917 | 1 | Pennsylvania | Republican | 1848–1919
Thomas W. Osborn | 1868–1873 | 3 | Florida | Republican | 1833–1898
Harrison Gray Otis | 1817–1822 | 2 | Massachusetts | Federalist | 1765–1848
Lee Slater Overman | 1903–1930 | 3 | North Carolina | Democratic | 1854–1930
John H. Overton | 1933–1948 | 3 | Louisiana | Democratic | 1875–1948
Robert Latham Owen | 1907–1925 | 2 | Oklahoma | Democratic | 1856–1947
Bob Packwood | 1969–1995 | 3 | Oregon | Republican | 1932–present
Algernon Paddock | 1875–1881
1887–1893 | 1 | Nebraska | Republican | 1830–1897
Carroll S. Page | 1908–1923 | 1 | Vermont | Republican | 1843–1925
John Page | 1836–1837 | 3 | New Hampshire | Democratic | 1787–1865
Elijah Paine | 1795–1801 | 3 | Vermont | Federalist | 1757–1842
John M. Palmer | 1891–1897 | 3 | Illinois | Democratic | 1817–1900
Thomas W. Palmer | 1883–1889 | 2 | Michigan | Republican | 1830–1913
William A. Palmer | 1818–1824
1824–1825 | 3 | Vermont | Democratic-Republican
National Republican | 1781–1860
Nahum Parker | 1807–1810 | 3 | New Hampshire | Democratic-Republican | 1760–1839
Richard E. Parker | 1836–1837 | 2 | Virginia | Democratic | 1783–1840
Albion Parris | 1827–1828 | 1 | Maine | Democratic | 1788–1857
John Fabyan Parrott | 1819–1824
1824–1825 | 3 | New Hampshire | Democratic-Republican
National Republican | 1767–1836
Frank C. Partridge | 1930–1931 | 1 | Vermont | Republican | 1861–1943
Samuel Pasco | 1887–1899 | 1 | Florida | Democratic | 1834–1917
John Pastore | 1950–1976 | 1 | Rhode Island | Democratic | 1907–2000
William Paterson | 1789–1790 | 2 | New Jersey | Federalist | 1745–1806
David T. Patterson | 1866–1869 | 1 | Tennessee | Democratic | 1818–1891
James W. Patterson | 1867–1873 | 3 | New Hampshire | Republican | 1823–1893
John J. Patterson | 1873–1879 | 3 | South Carolina | Republican | 1830–1912
Roscoe C. Patterson | 1929–1935 | 1 | Missouri | Republican | 1876–1954
Thomas M. Patterson | 1901–1907 | 2 | Colorado | Democratic | 1839–1916
John Patton Jr. | 1894–1895 | 1 | Michigan | Republican | 1850–1907
Frederick G. Payne | 1953–1959 | 1 | Maine | Republican | 1904–1978
Henry B. Payne | 1885–1891 | 3 | Ohio | Democratic | 1810–1896
Thomas H. Paynter | 1907–1913 | 2 | Kentucky | Democratic | 1851–1921
Roger C. Peace | 1941 | 2 | South Carolina | Democratic | 1899–1968
James Pearce | 1843–1856
1856–1862 | 3 | Maryland | Whig
Democratic | 1805–1862
James B. Pearson | 1962–1978 | 2 | Kansas | Republican | 1920–2009
Henry R. Pease | 1874–1875 | 1 | Mississippi | Republican | 1835–1907
William A. Peffer | 1891–1897 | 3 | Kansas | Populist | 1831–1912
Claiborne Pell | 1961–1997 | 2 | Rhode Island | Democratic | 1918–2009
George H. Pendleton | 1879–1885 | 3 | Ohio | Democratic | 1825–1889
Isaac S. Pennybacker | 1845–1847 | 1 | Virginia | Democratic | 1805–1847
Boies Penrose | 1897–1921 | 3 | Pennsylvania | Republican | 1860–1921
Claude Pepper | 1936–1951 | 3 | Florida | Democratic | 1900–1989
George W. Pepper | 1922–1927 | 3 | Pennsylvania | Republican | 1867–1961
Charles H. Percy | 1967–1985 | 2 | Illinois | Republican | 1919–2011
LeRoy Percy | 1910–1913 | 2 | Mississippi | Democratic | 1860–1929
David Perdue | 2015–2021 | 2 | Georgia | Republican | 1949–present
Bishop W. Perkins | 1892–1893 | 2 | Kansas | Republican | 1841–1894
George Clement Perkins | 1893–1915 | 3 | California | Republican | 1839–1923
Kirtland I. Perky | 1912–1913 | 3 | Idaho | Democratic | 1867–1939
Richard F. Pettigrew | 1889–1896
1896–1901 | 2 | South Dakota | Republican
Silver Republican | 1848–1926
John Pettit | 1853–1855 | 3 | Indiana | Democratic | 1807–1877
Edmund Pettus | 1897–1907 | 3 | Alabama | Democratic | 1821–1907
James D. Phelan | 1915–1921 | 3 | California | Democratic | 1861–1930
Samuel S. Phelps | 1839–1851
1853–1854 | 1, 3 | Vermont | Whig | 1793–1855
Lawrence C. Phipps | 1919–1931 | 2 | Colorado | Republican | 1862–1958
Israel Pickens | 1826 | 3 | Alabama | Democratic | 1780–1827
Timothy Pickering | 1803–1811 | 2 | Massachusetts | Federalist | 1745–1829
Franklin Pierce | 1837–1842 | 3 | New Hampshire | Democratic | 1804–1869
Gilbert A. Pierce | 1889–1891 | 3 | North Dakota | Republican | 1839–1901
Austin F. Pike | 1883–1886 | 2 | New Hampshire | Republican | 1819–1886
Samuel H. Piles | 1905–1911 | 1 | Washington | Republican | 1858–1940
Charles Pinckney | 1798–1801 | 2 | South Carolina | Democratic-Republican | 1754–1824
William B. Pine | 1925–1931 | 2 | Oklahoma | Republican | 1877–1942
William Pinkney | 1819–1822 | 1 | Maryland | Democratic-Republican | 1764–1822
Key Pittman | 1913–1940 | 1 | Nevada | Democratic | 1872–1940
Orville H. Platt | 1879–1905 | 3 | Connecticut | Republican | 1827–1905
Thomas C. Platt | 1881
1897–1909 | 1, 3 | New York | Republican | 1833–1910
James Pleasants | 1819–1822 | 2 | Virginia | Democratic-Republican | 1769–1836
Preston B. Plumb | 1877–1891 | 2 | Kansas | Republican | 1837–1891
William Plumer | 1802–1807 | 3 | New Hampshire | Federalist | 1759–1850
George Poindexter | 1830–1831
1831–1835 | 2 | Mississippi | Democratic
National Republican | 1779–1853
Miles Poindexter | 1911–1913
1913–1915
1915–1923 | 1 | Washington | Republican
Progressive
Republican | 1868–1946
Luke P. Poland | 1865–1867 | 3 | Vermont | Republican | 1815–1887
Trusten Polk | 1857–1862 | 1 | Missouri | Democratic | 1811–1876
William P. Pollock | 1918–1919 | 2 | South Carolina | Democratic | 1870–1922
Atlee Pomerene | 1911–1923 | 1 | Ohio | Democratic | 1863–1937
Samuel C. Pomeroy | 1861–1873 | 3 | Kansas | Republican | 1816–1891
John Pool | 1868–1873 | 3 | North Carolina | Republican | 1826–1884
James P. Pope | 1933–1939 | 3 | Idaho | Democratic | 1884–1966
John Pope | 1807–1813 | 3 | Kentucky | Democratic-Republican | 1770–1845
Alexander Porter | 1833–1836
1836–1837
1843–1844 | 3 | Louisiana | National Republican
Whig
Whig | 1785–1844
Augustus Seymour Porter | 1840–1845 | 1 | Michigan | Whig | 1798–1872
Rob Portman | 2011–2023 | 3 | Ohio | Republican | 1955–present
Thomas Posey | 1812–1813 | 2 | Louisiana | Democratic-Republican | 1750–1818
Charles E. Potter | 1952–1959 | 1 | Michigan | Republican | 1916–1979
Samuel J. Potter | 1803–1804 | 1 | Rhode Island | Democratic-Republican | 1753–1804
Richard Potts | 1793–1796 | 1 | Maryland | Federalist | 1753–1808
Lazarus W. Powell | 1859–1865 | 2 | Kentucky | Democratic | 1812–1867
Thomas C. Power | 1890–1895 | 2 | Montana | Republican | 1839–1923
Daniel D. Pratt | 1869–1875 | 1 | Indiana | Republican | 1813–1877
Thomas Pratt | 1850–1856
1856–1857 | 1 | Maryland | Whig
Democratic | 1804–1869
Samuel Prentiss | 1831–1836
1836–1842 | 3 | Vermont | National Republican
Whig | 1782–1857
Larry Pressler | 1979–1997 | 2 | South Dakota | Republican | 1942–present
William C. Preston | 1833–1837
1837–1842 | 3 | South Carolina | Nullifier
Whig | 1794–1860
Samuel Price | 1876–1877 | 1 | West Virginia | Democratic | 1805–1884
Oliver H. Prince | 1828–1829 | 2 | Georgia | Democratic | 1787–1837
Jeter Connelly Pritchard | 1895–1903 | 3 | North Carolina | Republican | 1857–1921
Redfield Proctor | 1891–1908 | 1 | Vermont | Republican | 1831–1908
Winston L. Prouty | 1959–1971 | 1 | Vermont | Republican | 1906–1971
William Proxmire | 1957–1989 | 1 | Wisconsin | Democratic | 1915–2005
David Pryor | 1979–1997 | 2 | Arkansas | Democratic | 1934–2024
Luke Pryor | 1880 | 3 | Alabama | Democratic | 1820–1900
Mark Pryor | 2003–2015 | 2 | Arkansas | Democratic | 1963–present
George E. Pugh | 1855–1861 | 3 | Ohio | Democratic | 1822–1876
James L. Pugh | 1880–1897 | 3 | Alabama | Democratic | 1820–1907
William E. Purcell | 1910–1911 | 3 | North Dakota | Democratic | 1856–1928
William A. Purtell | 1952
1953–1959 | 1, 3 | Connecticut | Republican | 1897–1978
Gladys Pyle | 1938–1939 | 3 | South Dakota | Republican | 1890–1989
Joseph V. Quarles | 1899–1905 | 1 | Wisconsin | Republican | 1843–1911
Matthew Quay | 1887–1899
1901–1904 | 1 | Pennsylvania | Republican | 1833–1904
Dan Quayle | 1981–1989 | 3 | Indiana | Republican | 1947–present
George L. P. Radcliffe | 1935–1947 | 1 | Maryland | Democratic | 1877–1974
Samuel M. Ralston | 1923–1925 | 1 | Indiana | Democratic | 1857–1925
Alexander Ramsey | 1863–1875 | 1 | Minnesota | Republican | 1815–1903
Jennings Randolph | 1958–1985 | 2 | West Virginia | Democratic | 1902–1998
John Randolph of Roanoke | 1825–1827 | 1 | Virginia | Democratic | 1773–1833
Theodore Fitz Randolph | 1875–1881 | 1 | New Jersey | Democratic | 1826–1883
Joseph E. Ransdell | 1913–1931 | 2 | Louisiana | Democratic | 1858–1954
Matt Whitaker Ransom | 1872–1895 | 2 | North Carolina | Democratic | 1826–1904
Robert Rantoul Jr. | 1851 | 1 | Massachusetts | Democratic | 1805–1852
Joseph Lafayette Rawlins | 1897–1903 | 1 | Utah | Democratic | 1850–1926
Charles A. Rawson | 1922 | 2 | Iowa | Republican | 1867–1936
Isidor Rayner | 1905–1912 | 1 | Maryland | Democratic | 1850–1912
George Read | 1789–1793 | 1 | Delaware | Federalist | 1733–1798
Jacob Read | 1795–1801 | 3 | South Carolina | Federalist | 1752–1816
John Henninger Reagan | 1887–1891 | 3 | Texas | Democratic | 1818–1905
Alfred E. Reames | 1938 | 3 | Oregon | Democratic | 1870–1943
Clyde M. Reed | 1939–1949 | 3 | Kansas | Republican | 1871–1949
David A. Reed | 1922–1935 | 1 | Pennsylvania | Republican | 1880–1953
James A. Reed | 1911–1929 | 1 | Missouri | Democratic | 1861–1944
Philip Reed | 1806–1813 | 3 | Maryland | Democratic-Republican | 1760–1829
Thomas Buck Reed | 1826–1827
1829 | 1, 2 | Mississippi | Democratic | 1787–1829
David Settle Reid | 1854–1859 | 2 | North Carolina | Democratic | 1813–1891
Harry Reid | 1987–2017 | 3 | Nevada | Democratic | 1939–2021
Hiram Rhodes Revels | 1870–1871 | 2 | Mississippi | Republican | 1827–1901
Chapman Revercomb | 1943–1949
1956–1959 | 1, 2 | West Virginia | Republican | 1895–1979
Robert Rice Reynolds | 1932–1945 | 3 | North Carolina | Democratic | 1884–1963
Samuel W. Reynolds | 1954 | 1 | Nebraska | Republican | 1890–1988
Robert Barnwell Rhett | 1850–1852 | 2 | South Carolina | Democratic | 1800–1876
Abraham Ribicoff | 1963–1981 | 3 | Connecticut | Democratic | 1910–1998
Benjamin F. Rice | 1868–1872
1872–1873 | 3 | Arkansas | Republican
Liberal Republican | 1828–1905
Henry Mower Rice | 1858–1863 | 1 | Minnesota | Democratic | 1816–1894
Harry A. Richardson | 1907–1913 | 2 | Delaware | Republican | 1853–1928
William Alexander Richardson | 1863–1865 | 2 | Illinois | Democratic | 1811–1875
George R. Riddle | 1864–1867 | 1 | Delaware | Democratic | 1817–1867
Harrison H. Riddleberger | 1883–1889 | 2 | Virginia | Readjuster | 1844–1890
Henry M. Ridgely | 1827–1829 | 2 | Delaware | Democratic | 1779–1847
Donald Riegle | 1977–1995 | 1 | Michigan | Democratic | 1938–present
William Cabell Rives | 1832–1834
1836–1839
1841–1845 | 1, 2 | Virginia | Democratic
Democratic
Whig | 1793–1868
William N. Roach | 1893–1899 | 1 | North Dakota | Democratic | 1840–1902
William H. Roane | 1837–1841 | 2 | Virginia | Democratic | 1787–1845
Chuck Robb | 1989–2001 | 1 | Virginia | Democratic | 1939–present
Asher Robbins | 1825–1836
1836–1839 | 1 | Rhode Island | National Republican
Whig | 1761–1845
Jonathan Roberts | 1814–1821 | 1 | Pennsylvania | Democratic-Republican | 1771–1854
Pat Roberts | 1997–2021 | 2 | Kansas | Republican | 1936–present
Absalom Willis Robertson | 1946–1966 | 2 | Virginia | Democratic | 1887–1971
Edward V. Robertson | 1943–1949 | 2 | Wyoming | Republican | 1881–1963
Thomas J. Robertson | 1868–1877 | 2 | South Carolina | Republican | 1823–1897
Arthur Raymond Robinson | 1925–1935 | 1 | Indiana | Republican | 1881–1961
John McCracken Robinson | 1830–1841 | 2 | Illinois | Democratic | 1794–1843
Jonathan Robinson | 1807–1815 | 1 | Vermont | Democratic-Republican | 1756–1819
Joseph Taylor Robinson | 1913–1937 | 2 | Arkansas | Democratic | 1872–1937
Moses Robinson | 1791–1797 | 1 | Vermont | Democratic-Republican | 1741–1813
John M. Robsion | 1930 | 2 | Kentucky | Republican | 1873–1948
Jay Rockefeller | 1985–2015 | 2 | West Virginia | Democratic | 1937–present
Julius Rockwell | 1854–1855 | 2 | Massachusetts | Whig | 1805–1888
Caesar Augustus Rodney | 1822–1823 | 1 | Delaware | Democratic-Republican | 1772–1824
Daniel Rodney | 1826–1827 | 2 | Delaware | National Republican | 1764–1846
Edward H. Rollins | 1877–1883 | 2 | New Hampshire | Republican | 1824–1889
Mitt Romney | 2019–2025 | 1 | Utah | Republican | 1947–present
Elihu Root | 1909–1915 | 3 | New York | Republican | 1845–1937
Joseph Rosier | 1941–1942 | 2 | West Virginia | Democratic | 1870–1951
Edmund G. Ross | 1866–1871 | 2 | Kansas | Republican | 1826–1907
James Ross | 1794–1803 | 1 | Pennsylvania | Federalist | 1762–1847
Jonathan Ross | 1899–1900 | 3 | Vermont | Republican | 1826–1905
William Roth | 1971–2001 | 1 | Delaware | Republican | 1921–2003
John Rowan | 1825–1831 | 3 | Kentucky | Democratic | 1773–1843
Marco Rubio | 2011–2025 | 3 | Florida | Republican | 1971–present
Warren Rudman | 1981–1993 | 3 | New Hampshire | Republican | 1930–2012
Benjamin Ruggles | 1815–1824
1824–1833 | 1 | Ohio | Democratic-Republican
National Republican | 1783–1857
John Ruggles | 1835–1841 | 2 | Maine | Democratic | 1789–1874
Thomas Jefferson Rusk | 1846–1857 | 1 | Texas | Democratic | 1803–1857
Donald S. Russell | 1965–1966 | 3 | South Carolina | Democratic | 1906–1998
Richard Russell Jr. | 1933–1971 | 2 | Georgia | Democratic | 1897–1971
John Rutherfurd | 1791–1798 | 1 | New Jersey | Federalist | 1760–1840
Dwight M. Sabin | 1883–1889 | 2 | Minnesota | Republican | 1843–1902
Frederic M. Sackett | 1925–1930 | 2 | Kentucky | Republican | 1868–1941
Ken Salazar | 2005–2009 | 3 | Colorado | Democratic | 1955–present
Pierre Salinger | 1964 | 1 | California | Democratic | 1925–2004
Leverett Saltonstall | 1945–1967 | 2 | Massachusetts | Republican | 1892–1979
Newell Sanders | 1912–1913 | 2 | Tennessee | Republican | 1850–1939
Wilbur F. Sanders | 1890–1893 | 1 | Montana | Republican | 1834–1905
Nathan Sanford | 1815–1821
1826–1831 | 1 | New York | Democratic-Republican
National Republican | 1777–1838
Terry Sanford | 1986–1993 | 3 | North Carolina | Democratic | 1917–1998
Rick Santorum | 1995–2007 | 1 | Pennsylvania | Republican | 1958–present
Paul Sarbanes | 1977–2007 | 1 | Maryland | Democratic | 1933–2020
Aaron A. Sargent | 1873–1879 | 3 | California | Republican | 1827–1887
Ben Sasse | 2015–2023 | 2 | Nebraska | Republican | 1972–present
Jim Sasser | 1977–1995 | 1 | Tennessee | Democratic | 1936–2024
Eli Saulsbury | 1871–1889 | 2 | Delaware | Democratic | 1817–1893
Willard Saulsbury Jr. | 1913–1919 | 2 | Delaware | Democratic | 1861–1927
Willard Saulsbury Sr. | 1859–1871 | 2 | Delaware | Democratic | 1820–1892
Alvin Saunders | 1877–1883 | 2 | Nebraska | Republican | 1817–1899
Frederick A. Sawyer | 1868–1873 | 3 | South Carolina | Republican | 1822–1891
Philetus Sawyer | 1881–1893 | 1 | Wisconsin | Republican | 1816–1900
William B. Saxbe | 1969–1974 | 3 | Ohio | Republican | 1916–2010
Thomas D. Schall | 1925–1935 | 2 | Minnesota | Republican | 1878–1935
Harrison Schmitt | 1977–1983 | 1 | New Mexico | Republican | 1935–present
Andrew Frank Schoeppel | 1949–1962 | 2 | Kansas | Republican | 1894–1962
James Schureman | 1799–1801 | 1 | New Jersey | Federalist | 1756–1824
Carl Schurz | 1869–1871
1871–1875 | 1 | Missouri | Republican
Liberal Republican | 1829–1906
Karl C. Schuyler | 1932–1933 | 3 | Colorado | Republican | 1877–1933
Philip Schuyler | 1789–1791
1797–1798 | 1 | New York | Federalist | 1733–1804
Harry Schwartz | 1937–1943 | 2 | Wyoming | Democratic | 1869–1955
Richard Schweiker | 1969–1981 | 3 | Pennsylvania | Republican | 1926–2015
Lewis B. Schwellenbach | 1935–1940 | 1 | Washington | Democratic | 1894–1948
Hugh Scott | 1959–1977 | 1 | Pennsylvania | Republican | 1900–1994
John Scott | 1869–1875 | 1 | Pennsylvania | Republican | 1824–1896
Nathan B. Scott | 1899–1911 | 1 | West Virginia | Republican | 1842–1924
W. Kerr Scott | 1954–1958 | 2 | North Carolina | Democratic | 1896–1958
William L. Scott | 1973–1979 | 2 | Virginia | Republican | 1915–1997
James G. Scrugham | 1942–1945 | 1 | Nevada | Democratic | 1880–1945
Fred A. Seaton | 1951–1952 | 2 | Nebraska | Republican | 1909–1974
William K. Sebastian | 1848–1861 | 2 | Arkansas | Democratic | 1812–1865
Theodore Sedgwick | 1796–1799 | 3 | Massachusetts | Federalist | 1746–1813
James Semple | 1843–1847 | 2 | Illinois | Democratic | 1798–1866
Jeff Sessions | 1997–2017 | 2 | Alabama | Republican | 1946–present
Ambrose Hundley Sevier | 1836–1848 | 3 | Arkansas | Democratic | 1801–1848
William H. Seward | 1849–1855
1855–1861 | 3 | New York | Whig
Republican | 1801–1872
William Joyce Sewell | 1881–1887
1895–1901 | 1, 2 | New Jersey | Republican | 1835–1901
Horatio Seymour | 1821–1824
1824–1833 | 1 | Vermont | Democratic-Republican
National Republican | 1778–1857
John Seymour | 1991–1992 | 1 | California | Republican | 1937–present
John F. Shafroth | 1913–1919 | 2 | Colorado | Democratic | 1854–1922
William Sharon | 1875–1881 | 1 | Nevada | Republican | 1821–1885
James Sheafe | 1801–1802 | 3 | New Hampshire | Federalist | 1755–1829
William Paine Sheffield Sr. | 1884–1885 | 2 | Rhode Island | Republican | 1820–1907
Richard Shelby | 1987–1994
1994–2023 | 3 | Alabama | Democratic
Republican | 1934–present
Ether Shepley | 1833–1836 | 1 | Maine | Democratic | 1789–1877
Morris Sheppard | 1913–1941 | 2 | Texas | Democratic | 1875–1941
John Sherman | 1861–1877
1881–1897 | 1, 3 | Ohio | Republican | 1823–1900
Lawrence Yates Sherman | 1913–1921 | 3 | Illinois | Republican | 1858–1939
Roger Sherman | 1791–1793 | 3 | Connecticut | Federalist | 1721–1793
James Shields | 1849–1855
1858–1859
1879 | 2, 3 | Illinois
Minnesota
Missouri | Democratic | 1810–1879
John K. Shields | 1913–1925 | 2 | Tennessee | Democratic | 1858–1934
Henrik Shipstead | 1923–1941
1941–1947 | 1 | Minnesota | Farmer–Labor
Republican | 1881–1960
Benjamin F. Shively | 1909–1916 | 3 | Indiana | Democratic | 1857–1916
Samuel M. Shortridge | 1921–1933 | 3 | California | Republican | 1861–1952
Hugh Ike Shott | 1942–1943 | 2 | West Virginia | Republican | 1866–1953
George L. Shoup | 1890–1901 | 2 | Idaho | Republican | 1836–1904
Nathaniel Silsbee | 1826–1835 | 2 | Massachusetts | National Republican | 1773–1850
Furnifold McLendel Simmons | 1901–1931 | 1 | North Carolina | Democratic | 1854–1940
James F. Simmons | 1841–1847
1857–1862 | 1, 2 | Rhode Island | Whig
Republican | 1795–1864
Joseph Simon | 1898–1903 | 3 | Oregon | Republican | 1851–1935
Paul Simon | 1985–1997 | 2 | Illinois | Democratic | 1928–2003
Alan Simpson | 1979–1997 | 2 | Wyoming | Republican | 1931–2025
Milward Simpson | 1962–1967 | 2 | Wyoming | Republican | 1897–1993
Kyrsten Sinema | 2019–2025 | 1 | Arizona | Democratic
Independent | 1976–present
James H. Slater | 1879–1885 | 3 | Oregon | Democratic | 1826–1899
James M. Slattery | 1939–1940 | 2 | Illinois | Democratic | 1878–1948
John Slidell | 1853–1861 | 3 | Louisiana | Democratic | 1793–1871
George Smathers | 1951–1969 | 3 | Florida | Democratic | 1913–2007
William H. Smathers | 1937–1943 | 2 | New Jersey | Democratic | 1891–1955
Benjamin A. Smith II | 1960–1962 | 1 | Massachusetts | Democratic | 1916–1991
Bob Smith | 1990–2003 | 2 | New Hampshire | Republican | 1941–present
Daniel Smith | 1798
1805–1809 | 1, 2 | Tennessee | Democratic-Republican | 1748–1818
Delazon Smith | 1859 | 2 | Oregon | Democratic | 1816–1860
Ellison D. Smith | 1909–1944 | 3 | South Carolina | Democratic | 1864–1944
Frank L. Smith | 1926–1928 | 3 | Illinois | Republican | 1867–1950
Gordon H. Smith | 1997–2009 | 2 | Oregon | Republican | 1952–present
Howard Alexander Smith | 1944–1959 | 1 | New Jersey | Republican | 1880–1966
Israel Smith | 1803–1807 | 1 | Vermont | Democratic-Republican | 1759–1810
James Smith Jr. | 1893–1899 | 1 | New Jersey | Democratic | 1851–1927
John Smith | 1803–1808 | 1 | Ohio | Democratic-Republican | 1735–1824
John Smith | 1804–1813 | 3 | New York | Democratic-Republican | 1735–1816
John Walter Smith | 1908–1921 | 3 | Maryland | Democratic | 1845–1925
M. Hoke Smith | 1911–1921 | 3 | Georgia | Democratic | 1855–1931
Marcus A. Smith | 1912–1921 | 3 | Arizona | Democratic | 1851–1924
Margaret Chase Smith | 1949–1973 | 2 | Maine | Republican | 1897–1995
Nathan Smith | 1833–1835 | 1 | Connecticut | National Republican | 1777–1835
Oliver H. Smith | 1837–1843 | 3 | Indiana | Whig | 1794–1859
Perry Smith | 1837–1843 | 3 | Connecticut | Democratic | 1783–1852
Ralph T. Smith | 1969–1970 | 3 | Illinois | Republican | 1915–1972
Samuel Smith | 1803–1815
1822–1824
1824–1833 | 1 | Maryland | Democratic-Republican
Democratic-Republican
Democratic | 1752–1839
Truman Smith | 1849–1854 | 3 | Connecticut | Whig | 1791–1884
William Smith | 1816–1823
1826–1831 | 2, 3 | South Carolina | Democratic-Republican
Democratic | 1762–1840
William Alden Smith | 1907–1919 | 2 | Michigan | Republican | 1859–1932
Willis Smith | 1950–1953 | 2 | North Carolina | Democratic | 1887–1953
Reed Smoot | 1903–1933 | 3 | Utah | Republican | 1862–1941
Olympia Snowe | 1995–2013 | 1 | Maine | Republican | 1947–present
Pierre Soulé | 1847
1849–1853 | 2, 3 | Louisiana | Democratic | 1801–1870
Samuel L. Southard | 1821–1823
1833–1837
1837–1842 | 1 | New Jersey | Democratic-Republican
National Republican
Whig | 1787–1842
John Sparkman | 1946–1979 | 2 | Alabama | Democratic | 1899–1985
Arlen Specter | 1981–2009
2009–2011 | 3 | Pennsylvania | Republican
Democratic | 1930–2012
Jesse Speight | 1845–1847 | 1 | Mississippi | Democratic | 1795–1847
John S. Spence | 1836–1840 | 3 | Maryland | Whig | 1788–1840
George E. Spencer | 1868–1879 | 3 | Alabama | Republican | 1836–1893
Lloyd Spencer | 1941–1943 | 2 | Arkansas | Democratic | 1893–1981
Selden P. Spencer | 1918–1925 | 3 | Missouri | Republican | 1862–1925
William Spong Jr. | 1966–1973 | 2 | Virginia | Democratic | 1920–1997
John Coit Spooner | 1885–1891
1897–1907 | 3 | Wisconsin | Republican | 1843–1919
Peleg Sprague | 1829–1835 | 2 | Maine | National Republican | 1793–1880
William Sprague III | 1842–1844 | 1 | Rhode Island | Whig | 1799–1856
William Sprague IV | 1863–1873
1873–1875 | 1 | Rhode Island | Republican
Liberal Republican | 1830–1915
Presley Spruance | 1847–1853 | 2 | Delaware | Whig | 1785–1863
Watson C. Squire | 1889–1897 | 3 | Washington | Republican | 1838–1926
Debbie Stabenow | 2001–2025 | 1 | Michigan | Democratic | 1950–present
Robert Stafford | 1971–1989 | 1 | Vermont | Republican | 1913–2006
Robert N. Stanfield | 1921–1927 | 3 | Oregon | Republican | 1877–1945
William A. Stanfill | 1945–1946 | 2 | Kentucky | Republican | 1892–1971
Leland Stanford | 1885–1893 | 3 | California | Republican | 1824–1893
Augustus Owsley Stanley | 1919–1925 | 2 | Kentucky | Democratic | 1867–1958
Joseph Stanton Jr. | 1790–1793 | 2 | Rhode Island | Democratic-Republican | 1739–1807
Benjamin Stark | 1861–1862 | 2 | Oregon | Democratic | 1820–1898
Ozora P. Stearns | 1871 | 2 | Minnesota | Republican | 1831–1896
Daniel F. Steck | 1926–1931 | 2 | Iowa | Democratic | 1881–1950
Frederick Steiwer | 1927–1938 | 3 | Oregon | Republican | 1883–1939
John C. Stennis | 1947–1989 | 1 | Mississippi | Democratic | 1901–1995
Hubert D. Stephens | 1923–1935 | 3 | Mississippi | Democratic | 1875–1946
Isaac Stephenson | 1907–1915 | 2 | Wisconsin | Republican | 1829–1918
Thomas Sterling | 1913–1925 | 3 | South Dakota | Republican | 1851–1930
Ted Stevens | 1968–2009 | 2 | Alaska | Republican | 1923–2010
Adlai Stevenson III | 1970–1981 | 3 | Illinois | Democratic | 1930–2021
John W. Stevenson | 1871–1877 | 2 | Kentucky | Democratic | 1812–1886
David Stewart | 1849–1850 | 3 | Maryland | Whig | 1800–1858
David W. Stewart | 1926–1927 | 3 | Iowa | Republican | 1887–1974
Donald Stewart | 1978–1981 | 3 | Alabama | Democratic | 1940–present
John Wolcott Stewart | 1908 | 2 | Vermont | Republican | 1825–1915
Tom Stewart | 1938–1949 | 2 | Tennessee | Democratic | 1892–1972
William Morris Stewart | 1864–1875
1887–1893
1893–1901
1901–1905 | 1 | Nevada | Republican
Republican
Silver Republican
Republican | 1827–1909
Francis B. Stockbridge | 1887–1894 | 1 | Michigan | Republican | 1826–1894
John P. Stockton | 1865–1866
1869–1875 | 1, 2 | New Jersey | Democratic | 1826–1900
Richard Stockton | 1796–1799 | 2 | New Jersey | Federalist | 1764–1828
Robert F. Stockton | 1851–1853 | 1 | New Jersey | Democratic | 1795–1866
Montfort Stokes | 1816–1823 | 2 | North Carolina | Democratic-Republican | 1762–1842
David Stone | 1801–1807
1813–1814 | 3 | North Carolina | Democratic-Republican | 1770–1818
Richard Stone | 1975–1980 | 3 | Florida | Democratic | 1928–2019
William J. Stone | 1903–1918 | 3 | Missouri | Democratic | 1848–1918
Clement Storer | 1817–1819 | 3 | New Hampshire | Democratic-Republican | 1760–1830
Thomas M. Storke | 1938–1939 | 3 | California | Democratic | 1876–1971
Luther Strange | 2017–2018 | 2 | Alabama | Republican | 1953–present
Robert Strange | 1836–1840 | 3 | North Carolina | Democratic | 1796–1854
Caleb Strong | 1789–1796 | 2 | Massachusetts | Federalist | 1745–1819
Charles E. Stuart | 1853–1859 | 2 | Michigan | Democratic | 1810–1887
Daniel Sturgeon | 1840–1851 | 1 | Pennsylvania | Democratic | 1789–1878
Patrick Joseph Sullivan | 1929–1930 | 1 | Wyoming | Republican | 1865–1935
William V. Sullivan | 1898–1901 | 1 | Mississippi | Democratic | 1857–1918
Charles Sumner | 1851–1857
1857–1872
1872–1874 | 1 | Massachusetts | Free Soil
Republican
Liberal Republican | 1811–1874
Thomas Sumter | 1801–1810 | 2 | South Carolina | Democratic-Republican | 1734–1832
John E. Sununu | 2003–2009 | 2 | New Hampshire | Republican | 1964–present
George Sutherland | 1905–1917 | 1 | Utah | Republican | 1862–1942
Howard Sutherland | 1917–1923 | 1 | West Virginia | Republican | 1865–1950
Claude A. Swanson | 1910–1933 | 1 | Virginia | Democratic | 1862–1939
Benjamin Swift | 1833–1836
1836–1839 | 1 | Vermont | National Republican
Whig | 1781–1847
George R. Swift | 1946 | 2 | Alabama | Democratic | 1887–1972
Stuart Symington | 1953–1976 | 1 | Missouri | Democratic | 1901–1988
Steve Symms | 1981–1993 | 3 | Idaho | Republican | 1938–2024
Horace Tabor | 1883 | 2 | Colorado | Republican | 1830–1899
Kingsley A. Taft | 1946–1947 | 1 | Ohio | Republican | 1903–1970
Robert A. Taft | 1939–1953 | 3 | Ohio | Republican | 1889–1953
Robert Taft Jr. | 1971–1976 | 1 | Ohio | Republican | 1917–1993
Thomas Taggart | 1916 | 3 | Indiana | Democratic | 1856–1929
Charles Tait | 1809–1819 | 3 | Georgia | Democratic-Republican | 1768–1835
Isham Talbot | 1815–1819
1820–1824
1824–1825 | 3 | Kentucky | Democratic-Republican
Democratic-Republican
National Republican | 1773–1837
Jim Talent | 2002–2007 | 1 | Missouri | Republican | 1956–present
James Taliaferro | 1899–1911 | 1 | Florida | Democratic | 1847–1934
Nathaniel P. Tallmadge | 1833–1839
1839–1844 | 1 | New York | Democratic
Whig | 1795–1864
Herman Talmadge | 1957–1981 | 3 | Georgia | Democratic | 1913–2002
Benjamin Tappan | 1839–1845 | 1 | Ohio | Democratic | 1773–1857
Josiah Tattnall | 1796–1799 | 2 | Georgia | Democratic-Republican | 1762–1803
Glen H. Taylor | 1945–1951 | 3 | Idaho | Democratic | 1904–1984
John Taylor | 1810–1816 | 2 | South Carolina | Democratic-Republican | 1770–1832
John Taylor of Caroline | 1792–1794
1803
1822–1824 | 1, 2 | Virginia | Democratic-Republican | 1753–1824
Robert Love Taylor | 1907–1912 | 2 | Tennessee | Democratic | 1850–1912
Waller Taylor | 1816–1824
1824–1825 | 3 | Indiana | Democratic-Republican
National Republican | 1786–1826
Henry Tazewell | 1794–1799 | 2 | Virginia | Democratic-Republican | 1753–1799
Littleton Waller Tazewell | 1824–1832 | 2 | Virginia | Democratic | 1774–1860
Henry M. Teller | 1876–1882
1885–1897
1897–1901
1901–1909 | 2, 3 | Colorado | Republican
Republican
Silver Republican
Democratic | 1830–1914
John C. Ten Eyck | 1859–1865 | 2 | New Jersey | Republican | 1814–1879
Joseph M. Terrell | 1910–1911 | 3 | Georgia | Democratic | 1861–1912
Jon Tester | 2007–2025 | 1 | Montana | Democratic | 1956–present
John Milton Thayer | 1867–1871 | 2 | Nebraska | Republican | 1820–1906
Charles S. Thomas | 1913–1921 | 3 | Colorado | Democratic | 1849–1934
Craig L. Thomas | 1995–2007 | 1 | Wyoming | Republican | 1933–2007
Elbert D. Thomas | 1933–1951 | 3 | Utah | Democratic | 1883–1953
Elmer Thomas | 1927–1951 | 3 | Oklahoma | Democratic | 1876–1965
Jesse B. Thomas | 1818–1824
1824–1829 | 3 | Illinois | Democratic-Republican
National Republican | 1777–1853
John Thomas | 1928–1933
1940–1945 | 2, 3 | Idaho | Republican | 1874–1945
Fountain L. Thompson | 1909–1910 | 3 | North Dakota | Democratic | 1854–1942
Fred Thompson | 1994–2003 | 2 | Tennessee | Republican | 1942–2015
John Burton Thompson | 1853–1857
1857–1859 | 2 | Kentucky | Whig
American | 1810–1874
Thomas W. Thompson | 1814–1817 | 2 | New Hampshire | Federalist | 1766–1821
William Henry Thompson | 1933–1934 | 1 | Nebraska | Democratic | 1853–1937
William Howard Thompson | 1913–1919 | 2 | Kansas | Democratic | 1871–1928
John Renshaw Thomson | 1853–1862 | 1 | New Jersey | Democratic | 1800–1862
John Thornton | 1910–1915 | 3 | Louisiana | Democratic | 1846–1917
Buckner Thruston | 1805–1809 | 2 | Kentucky | Democratic-Republican | 1763–1845
Allen G. Thurman | 1869–1881 | 1 | Ohio | Democratic | 1813–1895
Strom Thurmond | 1954–1956
1956–1964
1964–2003 | 2 | South Carolina | Democratic
Democratic
Republican | 1902–2003
John Mellen Thurston | 1895–1901 | 2 | Nebraska | Republican | 1847–1916
Edward John Thye | 1947–1959 | 1 | Minnesota | Republican | 1896–1969
Isaac Tichenor | 1796–1797
1815–1821 | 1 | Vermont | Federalist | 1754–1848
Edward Tiffin | 1807–1809 | 3 | Ohio | Democratic-Republican | 1766–1829
Benjamin Tillman | 1895–1918 | 2 | South Carolina | Democratic | 1847–1918
John Tipton | 1832–1839 | 1 | Indiana | Democratic | 1786–1839
Thomas Tipton | 1867–1873
1873–1875 | 1 | Nebraska | Republican
Liberal Republican | 1817–1899
Charles W. Tobey | 1939–1953 | 3 | New Hampshire | Republican | 1880–1953
Gideon Tomlinson | 1831–1837 | 3 | Connecticut | National Republican | 1780–1854
Robert Toombs | 1853–1855
1855–1861 | 2 | Georgia | Whig
Democratic | 1810–1885
Pat Toomey | 2011–2023 | 3 | Pennsylvania | Republican | 1961–present
Robert Torricelli | 1997–2003 | 2 | New Jersey | Democratic | 1951–present
Isaac Toucey | 1852–1857 | 1 | Connecticut | Democratic | 1792–1869
John Tower | 1961–1985 | 2 | Texas | Republican | 1925–1991
Charles A. Towne | 1900–1901 | 1 | Minnesota | Democratic | 1858–1928
Charles E. Townsend | 1911–1923 | 1 | Michigan | Republican | 1856–1924
John G. Townsend Jr. | 1929–1941 | 1 | Delaware | Republican | 1871–1964
Uriah Tracy | 1796–1807 | 3 | Connecticut | Federalist | 1755–1807
Park Trammell | 1917–1936 | 1 | Florida | Democratic | 1876–1936
Paul Trible | 1983–1989 | 1 | Virginia | Republican | 1946–present
William A. Trimble | 1819–1821 | 3 | Ohio | Democratic-Republican | 1786–1821
James F. Trotter | 1838 | 1 | Mississippi | Democratic | 1802–1866
George Troup | 1816–1818
1829–1833 | 2 | Georgia | Democratic-Republican
Democratic | 1780–1856
Harry S. Truman | 1935–1945 | 1 | Missouri | Democratic | 1884–1972
Jonathan Trumbull Jr. | 1795–1796 | 3 | Connecticut | Federalist | 1740–1809
Lyman Trumbull | 1855–1857
1857–1872
1872–1873 | 3 | Illinois | Democratic
Republican
Liberal Republican | 1813–1896
Paul Tsongas | 1979–1985 | 2 | Massachusetts | Democratic | 1941–1997
James M. Tunnell | 1941–1947 | 1 | Delaware | Democratic | 1879–1957
John V. Tunney | 1971–1977 | 1 | California | Democratic | 1934–2018
Thomas B. Turley | 1897–1901 | 2 | Tennessee | Democratic | 1845–1910
George Turner | 1897–1901
1901–1903 | 3 | Washington | Silver Republican
Democratic | 1850–1932
James Turner | 1805–1816 | 2 | North Carolina | Democratic-Republican | 1766–1824
Hopkins L. Turney | 1845–1851 | 1 | Tennessee | Democratic | 1797–1857
David Turpie | 1863
1887–1899 | 1 | Indiana | Democratic | 1828–1909
Joseph Tydings | 1965–1971 | 1 | Maryland | Democratic | 1928–2018
Millard Tydings | 1927–1951 | 3 | Maryland | Democratic | 1890–1961
John Tyler | 1827–1833
1833–1836 | 1 | Virginia | Democratic
National Republican | 1790–1862
Lawrence Tyson | 1925–1929 | 2 | Tennessee | Democratic | 1861–1929
Mark Udall | 2009–2015 | 2 | Colorado | Democratic | 1950–present
Tom Udall | 2009–2021 | 2 | New Mexico | Democratic | 1948–present
William B. Umstead | 1946–1948 | 2 | North Carolina | Democratic | 1895–1954
Joseph R. Underwood | 1847–1853 | 2 | Kentucky | Whig | 1791–1876
Oscar Underwood | 1915–1927 | 3 | Alabama | Democratic | 1862–1929
Thomas R. Underwood | 1951–1952 | 2 | Kentucky | Democratic | 1898–1956
William Upham | 1843–1853 | 3 | Vermont | Whig | 1792–1853
Robert W. Upton | 1953–1954 | 3 | New Hampshire | Republican | 1884–1972
Martin Van Buren | 1821–1824
1824–1828 | 1 | New York | Democratic-Republican
Democratic | 1782–1862
Nicholas Van Dyke | 1817–1824
1824–1826 | 2 | Delaware | Federalist
National Republican | 1770–1826
Frederick Van Nuys | 1933–1944 | 3 | Indiana | Democratic | 1874–1944
Peter G. Van Winkle | 1863–1867
1867–1869 | 1 | West Virginia | Union
Republican | 1808–1872
Charles Van Wyck | 1881–1887 | 1 | Nebraska | Republican | 1824–1895
JD Vance | 2023–2025 | 3 | Ohio | Republican | 1984–present
Zebulon Baird Vance | 1879–1894 | 3 | North Carolina | Democratic | 1830–1894
Arthur Vandenberg | 1928–1951 | 1 | Michigan | Republican | 1884–1951
James K. Vardaman | 1913–1919 | 2 | Mississippi | Democratic | 1861–1930
Joseph Bradley Varnum | 1811–1817 | 2 | Massachusetts | Democratic-Republican | 1751–1821
Abraham B. Venable | 1803–1804 | 1 | Virginia | Democratic-Republican | 1758–1811
George Graham Vest | 1879–1903 | 3 | Missouri | Democratic | 1830–1904
George Vickers | 1868–1873 | 3 | Maryland | Democratic | 1801–1879
William Freeman Vilas | 1891–1897 | 3 | Wisconsin | Democratic | 1840–1908
John Vining | 1793–1798 | 2 | Delaware | Federalist | 1758–1802
David Vitter | 2005–2017 | 3 | Louisiana | Republican | 1961–present
George Voinovich | 1999–2011 | 3 | Ohio | Republican | 1936–2016
Daniel W. Voorhees | 1877–1897 | 3 | Indiana | Democratic | 1827–1897
Benjamin Wade | 1851–1856
1856–1869 | 1 | Ohio | Whig
Republican | 1800–1878
Bainbridge Wadleigh | 1873–1879 | 3 | New Hampshire | Republican | 1831–1891
James Wolcott Wadsworth Jr. | 1915–1927 | 3 | New York | Republican | 1877–1952
George A. Waggaman | 1831–1835 | 2 | Louisiana | National Republican | 1782–1843
Robert F. Wagner | 1927–1949 | 3 | New York | Democratic | 1877–1953
Frederic C. Walcott | 1929–1935 | 1 | Connecticut | Republican | 1869–1949
John Wales | 1849–1851 | 1 | Delaware | Whig | 1783–1863
Freeman Walker | 1819–1821 | 2 | Georgia | Democratic-Republican | 1780–1827
George Walker | 1814 | 2 | Kentucky | Democratic-Republican | 1763–1819
Isaac P. Walker | 1848–1855 | 3 | Wisconsin | Democratic | 1815–1872
James D. Walker | 1879–1885 | 3 | Arkansas | Democratic | 1830–1906
John Walker | 1790 | 1 | Virginia | Federalist | 1744–1809
John Williams Walker | 1819–1822 | 3 | Alabama | Democratic-Republican | 1783–1823
Robert J. Walker | 1835–1845 | 2 | Mississippi | Democratic | 1801–1869
Walter Walker | 1932 | 2 | Colorado | Democratic | 1883–1956
Garret D. Wall | 1835–1841 | 2 | New Jersey | Democratic | 1783–1850
James Walter Wall | 1863 | 1 | New Jersey | Democratic | 1820–1872
William A. Wallace | 1875–1881 | 1 | Pennsylvania | Democratic | 1827–1896
Monrad Wallgren | 1940–1945 | 1 | Washington | Democratic | 1891–1961
Malcolm Wallop | 1977–1995 | 1 | Wyoming | Republican | 1933–2011
Arthur Walsh | 1943–1944 | 1 | New Jersey | Democratic | 1896–1947
David I. Walsh | 1919–1925
1926–1947 | 1, 2 | Massachusetts | Democratic | 1872–1947
John Walsh | 2014–2015 | 2 | Montana | Democratic | 1960–present
Patrick Walsh | 1894–1895 | 2 | Georgia | Democratic | 1840–1899
Thomas J. Walsh | 1913–1933 | 2 | Montana | Democratic | 1859–1933
Herbert S. Walters | 1963–1964 | 2 | Tennessee | Democratic | 1891–1973
Edward C. Walthall | 1885–1894
1895–1898 | 2 | Mississippi | Democratic | 1831–1898
George Walton | 1795–1796 | 2 | Georgia | Federalist | 1749–1804
Matthias Ward | 1858–1859 | 1 | Texas | Democratic | 1805–1861
Nicholas Ware | 1821–1824 | 2 | Georgia | Democratic-Republican | 1769–1824
John Warner | 1979–2009 | 2 | Virginia | Republican | 1927–2021
Willard Warner | 1868–1871 | 2 | Alabama | Republican | 1826–1906
William Warner | 1905–1911 | 1 | Missouri | Republican | 1840–1916
Francis E. Warren | 1890–1893
1895–1929 | 1, 2 | Wyoming | Republican | 1844–1929
William B. Washburn | 1874–1875 | 1 | Massachusetts | Republican | 1820–1887
William D. Washburn | 1889–1895 | 2 | Minnesota | Republican | 1831–1912
Charles W. Waterman | 1927–1932 | 3 | Colorado | Republican | 1861–1932
Arthur Vivian Watkins | 1947–1959 | 1 | Utah | Republican | 1886–1973
Clarence Wayland Watson | 1911–1913 | 2 | West Virginia | Democratic | 1864–1940
James Watson | 1798–1800 | 1 | New York | Federalist | 1750–1806
James Eli Watson | 1916–1933 | 3 | Indiana | Republican | 1864–1948
Thomas E. Watson | 1921–1922 | 3 | Georgia | Democratic | 1856–1922
Jim Webb | 2007–2013 | 1 | Virginia | Democratic | 1946–present
William R. Webb | 1913 | 2 | Tennessee | Democratic | 1842–1926
Daniel Webster | 1827–1833
1833–1841
1845–1850 | 1 | Massachusetts | National Republican
Whig
Whig | 1782–1852
John W. Weeks | 1913–1919 | 2 | Massachusetts | Republican | 1860–1926
Sinclair Weeks | 1944 | 2 | Massachusetts | Republican | 1893–1972
Lowell Weicker | 1971–1989 | 1 | Connecticut | Republican | 1931–2023
Adonijah Welch | 1868–1869 | 1 | Florida | Republican | 1821–1889
Herman Welker | 1951–1957 | 3 | Idaho | Republican | 1906–1957
John B. Weller | 1852–1857 | 1 | California | Democratic | 1812–1875
Ovington Weller | 1921–1927 | 3 | Maryland | Republican | 1862–1947
George L. Wellington | 1897–1903 | 3 | Maryland | Democratic | 1852–1927
John S. Wells | 1855 | 3 | New Hampshire | Democratic | 1803–1860
William H. Wells | 1799–1804
1813–1817 | 2 | Delaware | Federalist | 1769–1829
Paul Wellstone | 1991–2002 | 2 | Minnesota | Democratic | 1944–2002
Joseph R. West | 1871–1872
1872
1872–1877 | 2 | Louisiana | Republican
Liberal Republican
Republican | 1822–1898
William Stanley West | 1914 | 2 | Georgia | Democratic | 1849–1914
James Westcott | 1845–1849 | 3 | Florida | Democratic | 1802–1880
George P. Wetmore | 1895–1907
1908–1913 | 2 | Rhode Island | Republican | 1846–1921
Jesse Wharton | 1814–1815 | 2 | Tennessee | Democratic-Republican | 1782–1833
Burton K. Wheeler | 1923–1947 | 1 | Montana | Democratic | 1882–1975
Kenneth S. Wherry | 1943–1951 | 2 | Nebraska | Republican | 1892–1951
James Whitcomb | 1849–1852 | 3 | Indiana | Democratic | 1795–1852
Albert Smith White | 1839–1845 | 1 | Indiana | Whig | 1803–1864
Edward Douglass White | 1891–1894 | 3 | Louisiana | Democratic | 1845–1921
Francis S. White | 1914–1915 | 3 | Alabama | Democratic | 1847–1922
Hugh Lawson White | 1825–1835
1835–1836
1836–1840 | 2 | Tennessee | Democratic
National Republican
Whig | 1773–1840
Samuel White | 1801–1809 | 1 | Delaware | Federalist | 1770–1809
Stephen M. White | 1893–1899 | 1 | California | Democratic | 1853–1901
Wallace H. White | 1931–1949 | 2 | Maine | Republican | 1877–1952
Jenkin Whiteside | 1809–1811 | 2 | Tennessee | Democratic-Republican | 1772–1822
Washington C. Whitthorne | 1886–1887 | 1 | Tennessee | Democratic | 1825–1891
William Pinkney Whyte | 1868–1869
1875–1881
1906–1908 | 1, 3 | Maryland | Democratic | 1824–1908
Louis Wigfall | 1859–1861 | 1 | Texas | Democratic | 1816–1874
Leonard Wilcox | 1842–1843 | 3 | New Hampshire | Democratic | 1799–1850
Alexander Wiley | 1939–1963 | 3 | Wisconsin | Republican | 1884–1967
Xenophon P. Wilfley | 1918 | 3 | Missouri | Democratic | 1871–1931
William Wilkins | 1831–1834 | 3 | Pennsylvania | Democratic | 1779–1865
Morton S. Wilkinson | 1859–1865 | 2 | Minnesota | Republican | 1819–1894
Calvin Willey | 1825–1831 | 3 | Connecticut | National Republican | 1776–1858
Waitman T. Willey | 1861–1863
1863–1871 | 2 | Virginia
West Virginia | Union
Republican | 1811–1900
Abram Williams | 1886–1887 | 1 | California | Republican | 1832–1911
George Henry Williams | 1865–1871 | 2 | Oregon | Republican | 1823–1910
George Howard Williams | 1925–1926 | 3 | Missouri | Republican | 1871–1963
Harrison A. Williams | 1959–1982 | 1 | New Jersey | Democratic | 1919–2001
Jared W. Williams | 1853–1854 | 2 | New Hampshire | Democratic | 1796–1864
John Williams | 1815–1823 | 2 | Tennessee | Democratic-Republican | 1778–1837
John J. Williams | 1947–1970 | 1 | Delaware | Republican | 1904–1988
John Sharp Williams | 1911–1923 | 1 | Mississippi | Democratic | 1854–1932
John Stuart Williams | 1879–1885 | 3 | Kentucky | Democratic | 1818–1898
Reuel Williams | 1837–1843 | 1 | Maine | Democratic | 1783–1862
Thomas Hickman Williams | 1838–1839 | 1 | Mississippi | Democratic | 1801–1851
Thomas Hill Williams | 1817–1824
1824–1829 | 2 | Mississippi | Democratic-Republican
Democratic | 1780–1840
Ben M. Williamson | 1930–1931 | 2 | Kentucky | Democratic | 1864–1941
Frank B. Willis | 1921–1928 | 3 | Ohio | Republican | 1871–1928
Raymond E. Willis | 1941–1947 | 3 | Indiana | Republican | 1875–1956
David Wilmot | 1861–1863 | 1 | Pennsylvania | Republican | 1814–1868
Ephraim King Wilson II | 1885–1891 | 3 | Maryland | Democratic | 1821–1891
George A. Wilson | 1943–1949 | 2 | Iowa | Republican | 1884–1953
Henry Wilson | 1855
1855–1856
1856–1873 | 2 | Massachusetts | Free Soil
American
Republican | 1812–1875
James F. Wilson | 1883–1895 | 2 | Iowa | Republican | 1828–1895
James J. Wilson | 1815–1821 | 1 | New Jersey | Democratic-Republican | 1775–1824
John L. Wilson | 1895–1899 | 1 | Washington | Republican | 1850–1912
Pete Wilson | 1983–1991 | 1 | California | Republican | 1933–present
Robert Wilson | 1862–1863 | 3 | Missouri | Union | 1803–1870
William Windom | 1870–1871
1871–1881
1881–1883 | 2 | Minnesota | Republican | 1827–1891
Paine Wingate | 1789–1793 | 2 | New Hampshire | Democratic-Republican | 1739–1838
Robert Charles Winthrop | 1850–1851 | 1 | Massachusetts | Whig | 1809–1894
Tim Wirth | 1987–1993 | 3 | Colorado | Democratic | 1939–present
Garrett Withers | 1949–1950 | 3 | Kentucky | Democratic | 1884–1953
Robert E. Withers | 1875–1881 | 1 | Virginia | Democratic | 1821–1907
Harris Wofford | 1991–1995 | 1 | Pennsylvania | Democratic | 1926–2019
Thomas A. Wofford | 1956 | 2 | South Carolina | Democratic | 1908–1978
Edward O. Wolcott | 1889–1901 | 2 | Colorado | Republican | 1848–1905
Josiah O. Wolcott | 1917–1921 | 1 | Delaware | Democratic | 1877–1938
William Woodbridge | 1841–1847 | 2 | Michigan | Whig | 1780–1861
Levi Woodbury | 1825–1831
1841–1845 | 2, 3 | New Hampshire | Democratic | 1789–1851
John D. Works | 1911–1917 | 1 | California | Republican | 1847–1928
Thomas Worthington | 1803–1807
1810–1814 | 1, 3 | Ohio | Democratic-Republican | 1773–1827
George G. Wright | 1871–1877 | 2 | Iowa | Republican | 1820–1896
Joseph A. Wright | 1862–1863 | 1 | Indiana | Democratic | 1810–1867
Robert Wright | 1801–1806 | 3 | Maryland | Democratic-Republican | 1752–1826
Silas Wright | 1833–1844 | 3 | New York | Democratic | 1795–1847
William Wright | 1853–1859
1863–1866 | 1, 2 | New Jersey | Democratic | 1794–1866
Louis C. Wyman | 1974–1975 | 3 | New Hampshire | Republican | 1917–2002
Ralph Yarborough | 1957–1971 | 1 | Texas | Democratic | 1903–1996
Richard Yates | 1865–1871 | 2 | Illinois | Republican | 1815–1873
Lafayette Young | 1910–1911 | 2 | Iowa | Republican | 1848–1926
Milton Young | 1945–1981 | 3 | North Dakota | Republican | 1897–1983
Richard M. Young | 1837–1843 | 3 | Illinois | Democratic | 1798–1861
Stephen M. Young | 1959–1971 | 1 | Ohio | Democratic | 1889–1984
David Levy Yulee | 1845–1851
1855–1861 | 1, 3 | Florida | Democratic | 1810–1886
Edward Zorinsky | 1976–1987 | 1 | Nebraska | Democratic | 1928–1987

## See also

[edit]

* Classes of United States senators
* List of current United States senators
* Seniority in the United States Senate

## References

[edit]

1. ^ Senate Historical Office (January 6, 2020). "Senators of the United States: 1789-present" (PDF). senate.gov. p. 81. Retrieved October 31, 2020.

## External links

[edit]

* Biographical Directory of the United States Congress
* Senators of the United States 1789 to present

* v
* t
* e

United States Congress

* House of Representatives
* Senate
* Joint session
* (118th → 119th → 120th)
* Lists of the United States Congress

Members and leaders

| Membership|

| Members|

* By length of service
* By shortness of service
* Youngest members
* Non-voting members
* Unseated members

|

Senate|

* Members
* seniority
* Dean
* Former
* Expelled or censured
* Classes
* Born outside the U.S.
* Resigned
* Appointed
* Switched parties

House|

* Members
* seniority
* Dean
* Former
* Expelled, censured, and reprimanded
* Served a single term
* Lost re-election in a primary
* Switched parties
* Elected but did not serve

New members|

* 90th (1967)
* 91st (1969)
* 92nd (1971)
* 93rd (1973)
* 94th (1975)
* 95th (1977)
* 96th (1979)
* 97th (1981)
* 98th (1983)
* 99th (1985)
* 100th (1987)
* 101st (1989)
* 102nd (1991)
* 103rd (1993)
* 104th (1995)
* 105th (1997)
* 106th (1999)
* 107th (2001)
* 108th (2003)
* 109th (2005)
* 110th (2007)
* 111th (2009)
* 112th (2011)
* 113th (2013)
* 114th (2015)
* 115th (2017)
* 116th (2019)
* 117th (2021)
* 118th (2023)
* 119th (2025)

Leaders|

| Senate|

* President
* list
* President pro tempore
* list
* Leaders
* Democratic Caucus
* Chair
* Secretary
* Policy Committee Chair
* Republican Conference
* Chair
* Vice-Chair
* Policy Committee Chair

|

House|

* Speaker
* list
* Leaders
* Bipartisan Legal Advisory Group
* Democratic Caucus
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Districts|

* List
* Apportionment
* Gerrymandering

Groups|

| Congressional caucus|

* Caucuses of the United States Congress

|

Ethnic and racial|

* African-American members
* Senate
* House
* Black Caucus
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* Asian Pacific American members
* Asian Pacific American Caucus
* Hispanic and Latino members
* list
* Hispanic Caucus
* Hispanic Conference
* Jewish members
* Jewish Caucus
* Native American members

Gender and sexual identity|

* LGBTQ members
* Equality Caucus
* Women
* Senate
* House
* Issues Caucus
* current House

Occupation|

* Physicians

Religion|

* Buddhist members
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* Jewish members
* Mormon (LDS) members
* Muslim members
* Quaker members
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Related|

* By length of service historically
* Current members by wealth
* From multiple states
* Died in office
* 1790–1899
* 1900–1949
* 1950–1999
* 2000–present
* Killed or wounded in office
* Party switchers
* Slave owners

Powers, privileges, procedure, committees, history, media

| Powers|

* Article I
* Copyright
* Commerce (Dormant)
* Contempt of Congress
* Declaration of war
* Impeachment
* Inquiries
* Trial
* Naturalization
* "Necessary and Proper"
* Power of enforcement
* Taxing/spending

|

Privileges|

* Salaries
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* Immunity

Procedure|

* Act of Congress
* list
* Appropriation bill
* Bill
* Budget process
* Censure
* Closed sessions
* House
* Senate
* Cloture
* Concurrent resolution
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* Dear Colleague letter
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* Expulsion
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* Joint session
* list
* Lame-duck session
* Magic minute
* Majority of the majority (Hastert Rule)
* Multiple referral
* House procedures
* Quorum call
* Reconciliation
* Rider
* Saxbe fix
* Sponsorship
* Suspension of the rules
* Unanimous consent
* Veto
* Line-item veto
* Pocket veto

Senate-specific|

* Advice and consent
* Blue slip (U.S. Senate)
* Classes
* Executive communication
* Executive session
* Filibuster
* Jefferson's Manual
* Senate Journal
* Morning business
* Nuclear option
* Presiding Officer
* Recess appointment
* Reconciliation
* Riddick's Senate Procedure
* Senate hold
* Senatorial courtesy
* Seniority
* Standing Rules
* Tie-breaking votes
* Traditions
* Treaty Clause

Committees|

* Chairman and ranking member
* Of the Whole
* Conference
* Discharge petition
* Hearings
* Markup
* Oversight
* List (Joint)
* List (House)
* List (Senate)
* Select and special
* Standing
* Subcommittees

Items|

* Gavels
* Mace of the House
* Seal of the Senate

History|

* House history
* memoirs
* speaker elections
* Senate history
* election disputes
* memoirs
* Continental Congress
* Federal Hall (1789–1790)
* Congress Hall (1790–1800)
* Old Brick Capitol (1815–1819)
* Biographical Directory
* Divided government
* Party divisions

Media|

* C-SPAN
* Congressional Quarterly
* The Hill
* Politico
* Roll Call

Capitol Complex (Capitol Hill)

| Legislative
offices|

* Congressional staff
* Gov. Accountability Office (GAO)
* Comptroller General
* Architect of the Capitol
* Cap. Police
* Board
* Cap. Guide Service
* Congr. Budget Office (CBO)
* Congr. Workplace Rights (OCWR)
* Library of Congress
* Gov. Publishing Office (GPO)
* Technology Assessment

|

Offices|

| Senate|

* Curator
* Historical
* Library

|

House|

* Congr. Ethics
* Emergency Planning, Preparedness, and Operations
* Interparliamentary Affairs
* Law Revision Counsel
* Legislative Counsel
* Library

Employees|

| Senate|

* Secretary
* Chaplain
* Curator
* Historian
* Librarian
* Pages
* Parliamentarian
* Sergeant at Arms and Doorkeeper

|

House|

* Chaplain
* Chief Administrative Officer
* Clerk
* Doorkeeper
* Floor Operations
* Floor Services Chief
* Historian
* Pages
* Board
* Parliamentarian
* Postmaster
* Reading Clerk
* Sergeant at Arms

Library of
Congress|

* Congressional Research Service
* reports
* Copyright Office
* Register of Copyrights
* Law Library
* Poet Laureate
* THOMAS
* Adams Building
* Jefferson Building
* Madison Building

Gov.
Publishing Office|

* Public Printer
* Congressional Pictorial Directory
* Congressional Record
* Official Congressional Directory
* U.S. Gov. Manual
* Serial Set
* Statutes at Large
* United States Code

Capitol Building|

* List of artwork at the United States Capitol complex
* List of portraits in the United States House of Representatives collection (A-J)
* Brumidi Corridors
* Congressional Prayer Room
* Crypt
* Dome
* Statue of Freedom
* Rotunda
* Hall of Columns
* Statuary Hall
* Visitor Center
* The Apotheosis of Washington
* Statue of Freedom
* Declaration of Independence painting
* Scene at the Signing of the Constitution of the United States
* Apotheosis of Democracy
* Progress of Civilization Pediment
* First Reading of the Emancipation Proclamation of President Lincoln
* Surrender of General Burgoyne
* Surrender of Lord Cornwallis
* George Washington and the Revolutionary War Door
* Revolutionary War Door
* Columbus Doors
* Washington at Princeton
* Westward the Course of Empire Takes Its Way
* VP's Room
* VP Bust Collection

Office
buildings|

| Senate|

* Dirksen
* Hart
* Mountains and Clouds
* Russell

|

House|

* Building Commission
* office lottery
* Cannon
* Ford
* Longworth
* O'Neill
* Rayburn

Other
facilities|

* Botanic Garden
* Health and Fitness Facility
* House Recording Studio
* Senate chamber
* Old Senate Chamber
* Old Supreme Court Chamber
* Power Plant
* Webster Page Residence
* Subway

Related|

* Capitol Hill
* United States Capitol cornerstone laying

* v
* t
* e

Lists of United States congressional delegations

States|

* Alabama
* H
* S
* Alaska
* H
* S
* Arizona
* H
* S
* Arkansas
* H
* S
* California
* H
* S
* Colorado
* H
* S
* Connecticut
* H
* S
* Delaware
* H
* S
* Florida
* H
* S
* Georgia
* H
* S
* Hawaii
* H
* S
* Idaho
* H
* S
* Illinois
* H
* S
* Indiana
* H
* S
* Iowa
* H
* S
* Kansas
* H
* S
* Kentucky
* H
* S
* Louisiana
* H
* S
* Maine
* H
* S
* Maryland
* H
* S
* Massachusetts
* H
* S
* Michigan
* H
* S
* Minnesota
* H
* S
* Mississippi
* H
* S
* Missouri
* H
* S
* Montana
* H
* S
* Nebraska
* H
* S
* Nevada
* H
* S
* New Hampshire
* H
* S
* New Jersey
* H
* S
* New Mexico
* H
* S
* New York
* H
* S
* North Carolina
* H
* S
* North Dakota
* H
* S
* Ohio
* H
* S
* Oklahoma
* H
* S
* Oregon
* H
* S
* Pennsylvania
* H
* S
* Rhode Island
* H
* S
* South Carolina
* H
* S
* South Dakota
* H
* S
* Tennessee
* H
* S
* Texas
* H
* S
* Utah
* H
* S
* Vermont
* H
* S
* Virginia
* H
* S
* Washington
* H
* S
* West Virginia
* H
* S
* Wisconsin
* H
* S
* Wyoming
* H
* S

Others|

* American Samoa
* District of Columbia
* Guam
* Northern Mariana Islands
* Puerto Rico
* U.S. Virgin Islands
* Proposed (Cherokee)

Obsolete|

* Dakota Territory
* Northwest Territory
* Orleans Territory
* Philippines
* Southwest Territory

* Lists of former House members
* List of former senators

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