Events from the year 1864 in Ireland .
National Gallery of Ireland
Arts and literature [ edit ]
1 January – John Mahony , Kerry hurler (died 1943 ).
31 January – Matilda Cullen Knowles , lichenologist (died 1933 ).
13 February – Stephen Gwynn , journalist, writer, poet and Nationalist politician (died 1950 ).
22 February – Michael Donohoe , Democrat U.S. Representative from Pennsylvania (died 1958 ).
4 March – Daniel Mannix , Catholic clergyman, Archbishop of Melbourne for 46 years (died 1963 ).
5 May – Henry Wilson , British Field Marshal and Conservative Party politician (killed by the Irish Republican Army 1922 in England).
11 May – Ethel Lilian Voynich , née Boole, novelist and composer (died 1960 ).
16 July – Joseph O'Mara , opera singer (died 1927 ).
1 September – Roger Casement , British diplomat, nationalist, poet and Irish revolutionary, executed at Pentonville Prison (died 1916 ).
19 October – Thomas Pakenham, 5th Earl of Longford , peer and soldier (died 1915 ).
11 November – John Meredith , Australian Army Brigadier General (died 1942 ).
22 November – Sir William Moore, 1st Baronet , Unionist MP and Lord Chief Justice of Northern Ireland 1925–1937 (died 1944 ).
9 December – Willoughby Hamilton , tennis player, Wimbledon Champion in 1890 (died 1943 ).
21 December – James Whiteside McCay , Lieutenant General in the Australian Army , member of the Victorian and Australian Parliaments (died 1930 ).
Full date unknown
10 January – Nicholas Callan , priest and scientist (born 1799 ).
20 May – John George Bowes , businessman and political figure in Canada East (b. c.1812).
18 June – William Smith O'Brien , nationalist (born 1803 ).
4 July – Thomas Colley Grattan , writer (born 1792 ).
23 July – Thomas Laughnan , soldier, recipient of the Victoria Cross for gallantry in 1857 at Lucknow , India (born 1824 ).
27 July – Joseph Patrick Haverty , painter (born 1794 ).
21 November – Charles McNally , Bishop of Clogher 1844–1864 (born 1787 ).
30 November – Patrick Cleburne , major general in Confederate States Army in the American Civil War , killed at the Battle of Franklin (born 1828 ).
8 December – George Boole , mathematician (born 1815 ).
23 December – James Bronterre O'Brien , Chartist leader, reformer and journalist (born 1804 ).
William Guy Wall , painter (born 1792 ).
Heron, Denis Caulfield (2007), Ireland in 1864 , Statistical and Social Inquiry Society of Ireland, retrieved 13 August 2014