By-elections to the 19th Canadian Parliament were held to fill vacancies in the House of Commons of Canada between the 1940 federal election and the 1945 federal election. The Liberal Party of Canada led a majority government for the 19th Canadian Parliament.
Seventeen vacant seats were filled through by-elections.
By-election |
Date |
Incumbent |
Party |
Winner |
Party |
Cause |
Retained
|
Grey North
|
February 5, 1945
|
William Pattison Telford, Jr.
|
|
Liberal
|
W. Garfield Case
|
|
Progressive Conservative
|
Resignation to provide a seat for Andrew McNaughton
|
No
|
Cartier
|
August 9, 1943
|
Peter Bercovitch
|
|
Liberal
|
Fred Rose
|
|
Labor Progressive
|
Death
|
No
|
Stanstead
|
August 9, 1943
|
Robert Davison
|
|
Liberal
|
Joseph-Armand Choquette
|
|
Bloc populaire Canadien
|
Election declared void
|
No
|
Humboldt
|
August 9, 1943
|
Harry Raymond Fleming
|
|
Liberal
|
Joseph William Burton
|
|
C. C. F.
|
Death
|
No
|
Selkirk
|
August 9, 1943
|
Joseph Thorarinn Thorson
|
|
Liberal
|
William Bryce
|
|
C. C. F.
|
Appointed President of the Exchequer Court of Canada
|
No
|
Charlevoix—Saguenay
|
November 30, 1942
|
Pierre-François Casgrain
|
|
Liberal
|
Frédéric Dorion
|
|
Independent
|
Appointed a Superior Court Judge of Quebec
|
No
|
Winnipeg North Centre
|
November 30, 1942
|
J. S. Woodsworth
|
|
C. C. F.
|
Stanley Knowles
|
|
C. C. F.
|
Death
|
Yes
|
Outremont
|
November 30, 1942
|
Thomas Vien
|
|
Liberal
|
Léo Richer Laflèche
|
|
Liberal
|
Called to the Senate
|
Yes
|
St. Mary
|
February 9, 1942
|
Hermas Deslauriers
|
|
Liberal
|
Gaspard Fauteux
|
|
Liberal
|
Death
|
Yes
|
Welland
|
February 9, 1942
|
Arthur Damude
|
|
Liberal
|
Humphrey Mitchell
|
|
Liberal
|
Death
|
Yes
|
York South
|
February 9, 1942
|
Alan Cockeram
|
|
National Government
|
Joseph W. Noseworthy
|
|
C. C. F.
|
Resignation to provide a seat for Arthur Meighen
|
No
|
Quebec East
|
February 9, 1942
|
Ernest Lapointe
|
|
Liberal
|
Louis St. Laurent
|
|
Liberal
|
Death
|
Yes
|
Edmonton East
|
June 2, 1941
|
Frederick Clayton Casselman
|
|
Liberal
|
Cora Taylor Casselman
|
|
Liberal
|
Death
|
Yes
|
Saskatoon City
|
August 19, 1940
|
Walter George Brown
|
|
United Reform Movement
|
Alfred Henry Bence
|
|
Conservative
|
Death
|
No
|
Carleton
|
August 19, 1940
|
Alonzo Hyndman
|
|
National Government
|
George Russell Boucher
|
|
Conservative
|
Death
|
Yes
|
Waterloo North
|
August 19, 1940
|
William Daum Euler
|
|
Liberal
|
Louis Orville Breithaupt
|
|
Liberal
|
Called to the Senate
|
Yes
|
Kingston City
|
August 12, 1940
|
Norman McLeod Rogers
|
|
Liberal
|
Angus Lewis Macdonald
|
|
Liberal
|
Death
|
Yes
|