House of Commons Procedure and Practice
Edited by Robert Marleau and Camille Montpetit
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Party Leaders in the House of Commons Since 1867

By tradition, leaders of political parties are expected to have a seat or to seek a seat in the House of Commons as soon as possible.   In those instances where a party leader is not a Member of the House, the party usually choses one of its elected Members to act as the Leader of the party in the House. Parties and party leaders play a significant role in the proceedings of the House.   Some statutes require that the government consult with the Leader of the Official Opposition, as well as with other party leaders, when certain actions are contemplated or prior to making certain appointments.   The Standing Orders of the House provide an opportunity for opposition parties to respond to Ministers’ statements, to propose motions on allotted or opposition days and to participate in the leadership of the standing committees.   The leader of a recognized party usually sits in the front row of the Chamber. The party leaders listed below are those who, since Confederation, have officially represented the parties in the House.

Parliament Party Leader
1st (1867-72) •  Liberal-Conservative [1] •  Sir John A. Macdonald [2]
2nd (1873-74) •  Liberal-Conservative •  Sir John A. Macdonald
•  Liberal •  Alexander Mackenzie
3rd (1874-78) •  Liberal •  Alexander Mackenzie
•  Liberal-Conservative •  Sir John A. Macdonald
4th (1879-82) •  Liberal-Conservative •  Sir John A. Macdonald
•  Liberal •  Alexander Mackenzie /Edward Blake
5th (1883-87) •  Liberal-Conservative •  Sir John A. Macdonald
•  Liberal •  Edward Blake
6th (1887-91) •  Liberal-Conservative •  Sir John A. Macdonald
•  Liberal •  Edward Blake /Wilfrid Laurier
7th (1891-96) •  Liberal-Conservative •  Sir John A. Macdonald
  •  Sir John Thompson [3] /Sir Charles Tupper [4]
•  Liberal •  Wilfrid Laurier
8th (1896-1900) •  Liberal •  Sir Wilfrid Laurier
•  Liberal-Conservative •  Sir Charles Tupper
9th (1901-04) •  Liberal •  Sir Wilfrid Laurier
•  Conservative •  Robert Borden [5]
10th (1905-08) •  Liberal •  Sir Wilfrid Laurier
•  Conservative •  Robert Borden
11th (1909-11) •  Liberal •  Sir Wilfrid Laurier
•  Conservative •  Robert Borden
12th (1911-17) •  Conservative •  Sir Robert Borden [6]
•  Liberal •  Sir Wilfrid Laurier
13th (1918-21) •  Unionist •  Sir Robert Borden [7] /Arthur Meighen
•  Laurier Liberals •  Sir Wilfrid Laurier /Daniel Mackenzie [8]
•  Progressive •  T. A. Crerar [9]
14th (1922-25) •  Liberal •  W. L. Mackenzie King
•  Progressive •  T. A. Crerar /Robert Forke
•  Liberal-Conservative •  Arthur Meighen
•  Labour •  J. S. Woodsworth
15th (1926) •  Liberal •  W. L. Mackenzie King [10]
•  Conservative •  Arthur Meighen [11]
•  Progressive •  Robert Forke
•  Labour •  J. S. Woodsworth
16th (1926-30) •  Liberal •  W. L. Mackenzie King
•  Conservative •  Hugh Guthrie [12] /R. B. Bennett
•  Labour •  J. S. Woodsworth
17th (1930-35) •  Conservative •  R. B. Bennett
•  Liberal •  W. L. Mackenzie King
•  Labour •  J. S. Woodsworth [13]
18th (1936-40) •  Liberal •  W. L. Mackenzie King
•  Conservative •  R. B. Bennett /Robert J. Manion
•  Social Credit •  John H. Blackmore
•  Co-operative Commonwealth Federation (CCF) •  J. S. Woodsworth
19th (1940-45) •  Liberal •  W. L. Mackenzie King
•  National Government (Conservative) •  Richard B. Hanson [14] /Gordon Graydon
•  New Democracy (Social Credit) •  John H. Blackmore /Solon Low
•  Co-operative Commonwealth Federation (CCF) •  J. S. Woodsworth /M. J. Coldwell [15]
20th (1945-49) •  Liberal •  W. L. Mackenzie King /Louis St-Laurent
•  Progressive Conservative •  John Bracken /George Drew
•  Co-operative Commonwealth Federation (CCF) •  M. J. Coldwell
•  Social Credit •  Solon Low
•  Bloc populaire canadien •  Maxime Raymond
21st (1949-53) •  Liberal •  Louis St-Laurent
•  Progressive Conservative •  George Drew
•  Co-operative Commonwealth Federation (CCF) •  M. J. Coldwell
•  Social Credit •  Solon Low
22nd (1953-57) •  Liberal •  Louis St-Laurent
•  Progressive Conservative •  George Drew [16] /John Diefenbaker
•  Co-operative Commonwealth Federation (CCF) •  M. J. Coldwell
•  Social Credit •  Solon Low
23rd (1957-58) •  Progressive Conservative •  John Diefenbaker
•  Liberal •  Louis St-Laurent /Lester B. Pearson
•  Co-operative Commonwealth Federation (CCF) •  M. J. Coldwell
•  Social Credit •  Solon Low
24th (1958-62) •  Progressive Conservative •  John Diefenbaker
•  Liberal •  Lester B. Pearson
•  Co-operative Commonwealth Federation (CCF) •  Hazen Argue [17] /T. C. Douglas
25th (1962-63) •  Progressive Conservative •  John Diefenbaker
•  Liberal •  Lester B. Pearson
•  Social Credit •  Robert Thompson
•  New Democratic Party •  T. C. Douglas
26th (1963-65) •  Liberal •  Lester B. Pearson
•  Progressive Conservative •  John Diefenbaker
•  Ralliement des créditistes •  Réal Caouette [18]
•  New Democratic Party •  T. C. Douglas
•  Social Credit •  Robert Thompson
27th (1966-68) •  Liberal •  Lester B. Pearson /Pierre E. Trudeau
•  Progressive Conservative •  John Diefenbaker /Michael Starr [19] /Robert Stanfield
•  New Democratic Party •  T. C. Douglas
•  Ralliement des créditistes •  Réal Caouette
•  Social Credit •  Robert Thompson /Alexander Patterson
28th (1968-72) •  Liberal •  Pierre E. Trudeau
•  Progressive Conservative •  Robert Stanfield
•  New Democratic Party •  T. C. Douglas /David Lewis [20]
•  Ralliement des créditistes •  Réal Caouette [21]
29th (1973-74) •  Liberal •  Pierre E. Trudeau
•  Progressive Conservative •  Robert Stanfield
•  New Democratic Party •  David Lewis
•  Social Credit •  Réal Caouette
30th (1974-79) •  Liberal •  Pierre E. Trudeau
•  Progressive Conservative •  Robert Stanfield /Joseph Clark
•  New Democratic Party •  Edward Broadbent [22]
•  Social Credit •  Réal Caouette /André Fortin
31st (1979) •  Progressive Conservative •  Joseph Clark
•  Liberal •  Pierre E. Trudeau
•  New Democratic Party •  Edward Broadbent
•  Social Credit •  Fabien Roy
32nd (1980-84) •  Liberal •  Pierre E. Trudeau /John Turner
•  Progressive Conservative •  Joseph Clark /Erik Nielsen [23] /Brian Mulroney
•  New Democratic Party •  Edward Broadbent
33rd (1984-88) •  Progressive Conservative •  Brian Mulroney
•  Liberal •  John Turner
•  New Democratic Party •  Edward Broadbent
34th (1988-93) •  Progressive Conservative •  Brian Mulroney
•  Liberal •  John Turner /Jean Chrétien [24]
•  New Democratic Party •  Edward Broadbent /Audrey McLaughlin
35th (1994-97) •  Liberal •  Jean Chrétien
•  Bloc Québécois •  Lucien Bouchard /Michel Gauthier /Gilles Duceppe
•  Reform •  Preston Manning
•  New Democratic Party •  Audrey McLaughlin
•  Progressive Conservative •  Jean Charest
36th (1997-2000) •  Liberal •  Jean Chrétien
•  Reform /Canadian Alliance •  Preston Manning /Deborah Grey /Stockwell Day [25]
•  Bloc Québécois •  Gilles Duceppe
•  New Democratic Party •  Alexa McDonough
•  Progressive Conservative •  Jean Charest /Elsie Wayne /Joe Clark [26]
37th (2001-04) •  Liberal •  Jean Chrétien /Paul Martin
•  Canadian Alliance /Conservative •  Stockwell Day /John Reynolds /Stephen Harper [27]
•  Progressive Conservative /Conservative •  Joe Clark /Peter MacKay /Grant Hill /Stephen Harper [28]
•  Bloc Québécois •  Gilles Duceppe
•  New Democratic Party •  Alexa McDonough /Bill Blaikie /Jack Layton [29]
38th (2004-05) •  Liberal •  Paul Martin
•  Conservative •  Stephen Harper
•  Bloc Québécois •  Gilles Duceppe
•  New Democratic Party •  Jack Layton
[1]
In 1867, a pre-Confederation coalition of Liberal and Conservative elements formed a permanent national party named the Liberal-Conservative Party.  Although formally known as the Liberal-Conservative Party, the party was commonly referred to as the Conservative Party until 1917 and the formation of the Unionist government.  With the resignation of Sir Robert Borden and the rise to party leadership of Arthur Meighen in July 1920, the party was officially renamed the National Liberal and Conservative Party.  At a party conference in March 1922, the party was renamed the Liberal-Conservative Party.  In March 1938, at a party conference, the party was renamed the National Conservative Party.  During the general election campaign of 1940, the party was renamed the National Government Party.Following the general election of 1940, the party was again named the National Conservative Party.  On December 11, 1942, at a party leadership convention which elected the former Progressive Premier of Manitoba, John Bracken, to the position of party leader, the party was renamed the Progressive Conservative Party.
[2]
On May 24, 1867, Sir John A. Macdonald was formally commissioned by Lord Monck to form the first government under Confederation.  On July 1, 1867, the First Ministry assumed office with Macdonald serving as Prime Minister.  Sir John A. Macdonald died while in office on June 6, 1891.
[3]
Sir John Thompson was the Leader of the Government in the House of Commons between June 16, 1891 and July 9, 1892 while Sir John Abbott governed as Prime Minister from the Senate.  Upon the resignation of Abbott, Thompson was called upon to form a government and served as Prime Minister from December 5, 1892 until his death on December 12, 1894.  Sir Mackenzie Bowell then occupied the position of Prime Minister from the Senate until 1896.  George Foster served as the Leader of the Government in the House of Commons throughout the Fifth Session of the Seventh Parliament, April 18, 1895 to July 22, 1895, and during the Sixth Session of the Seventh Parliament between January 2, 1896 and January 5, 1896, whereupon he resigned from the Cabinet.  On January 15, 1896, he was reappointed to cabinet and again assumed the duties of the Leader of the Government in the House of Commons until February 11, 1896. Sir Adolphe Caron served as the Leader of the Government in the House of Commons from January 7, 1896 until January 15, 1896.
[4]
Sir Charles Tupper entered the cabinet of Prime Minister Mackenzie Bowell on January 15, 1896.  He became the Leader of the Government in the House of Commons upon his introduction in the House on February 11, 1896 until April 23, 1896.Tupper served as Prime Minister from May 1, 1896 to July 8, 1896 and as Leader of the Opposition throughout the Eighth Parliament, from August 19, 1896 to July 18, 1900.  He continued to serve as party leader until February 5, 1901.
[5]
In the general election held on November 3, 1904, Sir Robert Borden suffered personal defeat.  As a result, from January 11, 1905 to February 6, 1905, George Foster served as Acting Leader of the Opposition in the House.  Borden was re-elected in a by-election held on February 4, 1905 and returned to the House of Commons on February 7, 1905.
[6]
Sir George Foster, who had been knighted in 1914, served as Acting Prime Minister from April 19, 1917 to May 15, 1917.During this period, Prime Minister Borden was in attendance at the Imperial War Conference in London.Borden returned to the House of Commons on May 16, 1917.
[7]
Sir Thomas White served as Acting Prime Minister from February 20, 1919 to May 23, 1919.  During this period, Prime Minister Borden was attending the Paris Peace Conference which followed the end of the First World War.  Borden returned to the House of Commons on May 26, 1919.Sir George Foster served as Acting Prime Minister from February 26, 1920 to May 12, 1920.  During this period, Prime Minister Borden was absent from the House of Commons due to illness.  Borden recommended that the Governor General call upon Arthur Meighen to succeed him as Prime Minister.Meighen was sworn in as Prime Minister on July 10, 1920.
[8]
On February 17, 1919, Sir Wilfrid Laurier died.On February 25, 1919, Daniel McKenzie was elected by the Liberal caucus to serve as leader of the Liberal Party in the House.  On August 7, 1919, at a convention of the Liberal Party, W.L. Mackenzie King was elected leader of the Liberal Party.  He was elected to the House on October 20, 1919, and introduced in the House on October 23, 1919.  However, he did not assume the duties of leader of the Liberal party in the House until the opening of the Fourth Session of the Thirteenth Parliament on February 26, 1920.  Daniel McKenzie had continued in his duties as Leader of the Opposition and leader of the Liberal Party in the House until the end of the Third Session of the Thirteenth Parliament.
[9]
On February 26, 1920, at the opening of the Fourth Session of the Thirteenth Parliament, Liberal-Unionist T.A. Crerar assumed the leadership of the Progressive party until November 11, 1922.
[10]
In the general election of October 29, 1925, the government of W.L. Mackenzie King was returned to office.  Mr. King himself suffered electoral defeat but remained Prime Minister.  When the First Session of the Fifteenth Parliament opened on January 7, 1926, Ernest Lapointe served as Leader of the Government in the House.  Mr. King was elected in a by-election on February 15, 1926 and returned to the House on March 15, 1926.
[11]
Sir Henry Drayton served as the Leader of the Government in the House of Commons from June 29, 1926 to July 1, 1926.Drayton assumed this position, as a result of the Prime Minister, Arthur Meighen, resigning, by law, his seat in the House of Commons in order to assume the office of Prime Minister.  Until August 3, 1931, and the adoption of an amendment to the Senate and House of Commons Act (RSC 1927), members of the House were required to resign their seat and seek re-election when appointed to Cabinet.
[12]
Hugh Guthrie occupied the position of Leader of the Official Opposition following the resignation of the party leader, Arthur Meighen, and prior to the assumption of party leadership by R.B. Bennett.
[13]
J.S. Woodsworth became president of the Co-operative Commonwealth Federation, known as the CCF, in July 1933.  The CCF party was founded in Calgary on August 1, 1932.At the August 1960 convention, the party constitution was amended to create a new position, that of “national leader”.
[14]
Richard B. Hanson and Gordon Graydon occupied the position of Leader of the Official Opposition because the leaders of the National Party, throughout this period, Arthur Meighen and John Bracken, did not sit in the House.
[15]
Due to the deteriorating health of party leader J.S. Woodsworth, a CCF Caucus meeting on November 6, 1940 elected M.J. Coldwell to serve as acting leader of the party.  Shortly after Woodsworth’s death, a caucus meeting held on April 22, 1942 elected Coldwell permanent leader of the party.
[16]
On two occasions, W. Earl Rowe assumed the duties of Acting Leader of the Official Opposition due to the illness of the Leader of the Official Opposition, George Drew.
[17]
Following the defeat of M.J. Coldwwell in the federal election of 1958, Hazen Argue occupied the position of leader of the party in the House.  Argue held this position from April 23, 1958 until August 11, 1960 whereupon he became permanent national leader of the CCF at a party leadership convention.  On August 3, 1961, at a party leadership convention, the existing party joined with groups representing organized labour to form a new party.  As a result, the name of the party was changed from the Co-operative Commonwealth Federation to the New Democratic Party.  T.C. Douglas was elected leader of the New Democratic Party.However, Douglas was not elected to the House until a by-election held on October 22, 1962 and was not introduced in the House until November 2, 1962.  During this period, Hazen Argue served as party leader in the House until his resignation from the New Democratic Party on February 18, 1962.The following day, the NDP caucus elected H.W. Herridge to serve as party leader in the House.  Herridge occupied this position until November 1, 1962.
[18]
On September 1, 1963, thirteen Members from Quebec left the Social Credit Party and formed the Ralliement des créditistes under the leadership of Réal Caouette.  On October 21, 1963, the Ralliement des créditistes was officially recognized as a party by the House of Commons.
[19]
Michael Starr occupied the position of Leader of the Official Opposition following the resignation of the party leader, John Diefenbaker, and prior to the new party leader, Robert Stanfield, being elected and introduced in the House.
[20]
T.C. Douglas was defeated in the general election of June 25, 1968.  He was re-elected in a by-election held on February 10, 1969 and introduced in the House on February 20, 1969.  In his absence from the House, David Lewis led the New Democratic Party Members in the House.  David Lewis was formally elected leader of the party at a party leadership convention on April 24, 1971.
[21]
In 1971, the Ralliement des créditistes, who had elected to the House fourteen Members in the previous general election, reunited with the Social Credit Party.  On October 10 of that year, Réal Caouette was confirmed as leader of the Social Credit Party.
[22]
In the general election of July 8, 1974, David Lewis suffered personal defeat. Although Lewis remained party leader until July 7, 1975, Ed Broadbent served as leader of the party in the House beginning with the opening of the Thirtieth Parliament on September 30, 1974.  Broadbent was formally elected leader of the party at a party leadership convention on July 7, 1975.
[23]
Erik Nielsen occupied the position of Leader of the Official Opposition following the resignation from that position of Joseph Clark, and prior to the election and introduction to the House of the subsequent party leader, Brian Mulroney.
[24]
On February 7, 1990, John Turner resigned from his position as Leader of the Official Opposition but remained leader of the Liberal Party.  In his place, Herb Gray assumed the duties of Leader of the Official Opposition.On June 23, 1990, at a leadership convention, Jean Chrétien was elected leader of the Liberal Party.  Chrétien was elected to the House in a by-election on December 10, 1990, and was introduced in the House and became Leader of the Official Opposition on January 15, 1991.
[25]
Preston Manning was leader of the Reform Party until March 26, 2000, when the party changed its official name to the Canadian Reform Conservative Alliance (Canadian Alliance). Deborah Grey was acting leader of the Canadian Alliance from March 27 until July 7, 2000. On July 8, 2000, Stockwell Day was elected leader of the party at a party leadership convention.
[26]
Elsie Wayne assumed the functions of party leader in the House following the resignation of Jean Charest, as leader of the Progressive Conservative Party, on April 2, 1998. On November 14, 1998, Joseph Clark was elected as leader of the Progressive Conservative Party. Since he was not a Member, Elsie Wayne continued to serve as leader of the party in the House.
[27]
Stockwell Day was party leader of the Canadian Alliance until his resignation on December 11, 2001. John Reynolds served as acting leader from December 12, 2001 until March 19, 2002. Stephen Harper won the party leadership at the 2002 Canadian Alliance leadership election, and served as party leader from March 20, 2002 until December 5, 2003, when the party ratified its merger with the Progressive Conservative Party to form the Conservative Party of Canada.
[28]
Joe Clark was party leader of the Progressive Conservative Party until his retirement on May 30, 2003. On May 31, 2003, Peter MacKay was elected party leader during the 2003 Progressive Conservative leadership convention. The Progressive Conservative Party ratified its merger with the Canadian Alliance on December 6, 2003 to form the Conservative Party of Canada. After the newly formed party was officially registered with Elections Canada on December 7, 2003, Sen. John Lynch-Staunton became acting party leader from December 8, 2003 until March 19, 2004. Stephen Harper was elected leader of the party on March 20, 2004 at a party leadership convention.
[29]
Alexa McDonough was party leader from October 14, 1995 until the 2003 New Democratic Party leadership convention. On January 25, 2003, Jack Layton was elected party leader, but did not become a Member of Parliament until June 28, 2004. Bill Blaikie was Parliamentary Leader during the interim, from January 26, 2003 until June 27, 2004.


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