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Former Leaders of the Official Opposition


The Leader of Her Majesty's Loyal Opposition is the leader of the party with the second greatest number of seats in the House of Commons. Their task is to keep the government of the day responsible by asking questions of cabinet members of their latest program initiatives.

MAIN MENU: GOVERNMENT: FEDERAL: PARLIAMENT: HOUSE of COMMONS: LEADER of the OFFICIAL OPPOSITION: FORMER LEADERS


Dates of OfficeLeader of the OppositionPolitical Affiliation
01 Jul 1867 - Mar 1873Vacant (unofficially led by Mr. George Brown)Liberal
Mar 1873 - 05 Nov 1873Mr. Alexander MackenzieLiberal
06 Nov 1873 - 16 Oct 1878The Right Honourable Sir John A. MacdonaldLiberal Conservative
17 Oct 1878 - 27 Apr 1880The Honourable Alexander MackenzieLiberal
04 May 1880 - 02 Jun 1887The Honourable Edward BlakeLiberal
23 Jun 1887 - 10 Jul 1896The Honourable Wilfrid LaurierLiberal
11 Jul 1896 - 05 Feb 1901The Right Honourable Sir Charles TupperConservative
06 Feb 1901 - 09 Oct 1911Mr. Robert Laird BordenConservative
10 Oct 1911 - 17 Feb 1919The Right Honourable Sir Wilfrid LaurierLiberal
17 Feb 1919 - 07 Aug 1919Mr. Daniel Duncan McKenzieLiberal
07 Aug 1919 - 28 Dec 1921The Honourable William Lyon Mackenzie KingLiberal
29 Dec 1921 - 28 Jun 1926The Right Honourable Arthur MeighenConservative
29 Jun 1926 - 24 Sep 1926The Right Honourable William Lyon Mackenzie KingLiberal
11 Oct 1926 - 11 Oct 1927The Honourable Hugh GuthrieConservative
12 Oct 1927 - 06 Aug 1930The Honourable Richard BennettConservative
07 Aug 1930 - 22 Oct 1935The Right Honourable William Lyon Mackenzie KingLiberal
23 Oct 1935 - 06 Jul 1938The Right Honourable Richard BennettConservative
07 Jul 1938 - 13 May 1940The Honourable Robert James ManionConservative
14 May 1940 - 1943The Honourable Richard Burpee HansonConservative
1943 - 10 Jun 1945Mr. Gordon GraydonProgressive Conservative
11 Jun 1945 - 20 Jul 1948Mr. John BrackenProgressive Conservative
02 Oct 1948 - 01 Nov 1954The Honourable George DrewProgressive Conservative
01 Nov 1954 - 01 Feb 1955Mr. William RoweProgressive Conservative
01 Feb 1955 - 01 Aug 1956The Honourable George DrewProgressive Conservative
01 Aug 1956 - 13 Dec 1956Mr. William RoweProgressive Conservative
14 Dec 1956 - 20 Jun 1957Mr. John DiefenbakerProgressive Conservative
21 Jun 1957 - 15 Jan 1958The Right Honourable Louis St. LaurentLiberal
16 Jan 1958 - 21 Apr 1963The Honourable Lester B. PearsonLiberal
22 Apr 1963 - 08 Sep 1967The Right Honourable John DiefenbakerProgressive Conservative
09 Sep 1967 - 05 Nov 1967The Honourable Michael StarrProgressive Conservative
06 Nov 1967 - 21 Feb 1976The Right Honourable Robert Lorne StanfieldProgressive Conservative
22 Feb 1976 - 03 Jun 1979Mr. Joe ClarkProgressive Conservative
04 Jun 1979 - 02 Mar 1980The Right Honourable Pierre Elliott TrudeauLiberal
03 Mar 1980 - 01 Feb 1983The Right Honourable Joe ClarkProgressive Conservative
02 Feb 1983 - 28 Aug 1983Mr. Eric NielsonProgressive Conservative
29 Aug 1983 - 16 Sep 1984The Honourable Brian MulroneyProgressive Conservative
17 Sep 1984 - 07 Feb 1990The Right Honourable John TurnerLiberal
08 Feb 1990 - 20 Dec 1990The Honourable Herb GreyLiberal
21 Dec 1990 - 24 Oct 1993The Honourable Jean ChrétienLiberal
25 Oct 1993 - 14 Jan 1996The Honourable Lucien BouchardBloc Québécois
15 Jan 1996 - 16 Feb 1996Mr. Gilles DuceppeBloc Québécois
17 Feb 1996 - 14 Mar 1997Mr. Michael GauthierBloc Québécois
15 Mar 1997 - 01 Jun 1997Mr. Gilles DuceppeBloc Québécois
02 Jun 1997 - 26 Mar 2000Mr. Preston ManningReform
27 Mar 2000 - 10 Sep 2000Miss Deborah GrayCanadian Alliance
11 Sep 2000 - 11 Dec 2001Mr. Stockwell DayCanadian Alliance
12 Dec 2001 - 20 May 2002Mr. John ReynoldsCanadian Alliance
21 May 2002 - 08 Jan 2004Mr. Stephen HarperCanadian Alliance
09 Jan 2004 - 19 Mar 2004The Honourable Grant HillConservative
20 Mar 2004 - 05 Feb 2006The Honourable Stephen HarperConservative
06 Feb 2006 - 01 Dec 2006The Honourable Bill GrahamLiberal
02 Dec 2006 - 09 Dec 2008The Honourable Stéphane DionLiberal
10 Dec 2008 - 01 May 2011The Honourable Michael IgnatieffLiberal
02 May 2011 - 22 Aug 2011The Honourable Jack LaytonNew Democratic Party
23 Aug 2011 - 23 Mar 2012Ms. Nycole TurmelNew Democratic Party
24 Mar 2012 - 05 Nov 2015The Honourable Thomas MulcairNew Democratic Party
05 Nov 2015 - The Honourable Rona AmbroseConservative

SOURCE: Library of Parliament.

See also
House of Commons
Speaker of the House of Commons
Leader of the Government in the House of Commons
Leader of the Official Opposition


Copyright Craig I.W. Marlatt