Terms of Office
The Right Honourable Sir John Alexander Macdonald, 1 July 1867 - 5 November 1873, 17 October 1878 - 6 June 1891 The Right Honourable The Honourable Sir John A. Macdonald Alexander Mackenzie (1815-1891) (1822-1892) The Honourable Alexander Mackenzie, 7 November 1873 - 8 October 1878
The Honourable Sir John Joseph Caldwell Abbott, 16 June 1891 - 24 November 1892
The Right Honourable The Honourable The Right Honourable Sir John Joseph Sir John Sparrow Sir John Sparrow David Thompson, Caldwell Abbott David Thompson 5 December 1892 - 12 December 1894 (1821-1893) (1845-1894) The Honourable Sir Mackenzie Bowell, 21 December 1894 - 27 April 1896 The Right Honourable Sir Charles Tupper, 1 May 1896 - 8 July 1896 The Honourable The Right Honourable Sir Mackenzie Bowell Sir Charles Tupper The Right Honourable (1823-1917) (1821-1915) Sir Wilfrid Laurier, 11 July 1896 - 6 October 1911
The Right Honourable Sir Robert Laird Borden, 10 October 1911 - 10 July 1920
The Right Honourable The Right Honourable The Right Honourable Arthur Meighen, Sir Wilfrid Laurier Sir Robert Laird Borden (1841-1919) (1854-1937) 10 July 1920 - 29 December 1921, 29 June 1926 - 25 September 1926
The Right Honourable William Lyon Mackenzie King, 29 December 1921 - 28 June 1926, 25 September 1926 - 7 August 1930, 23 October 1935 - 15 November 1948
The Right Honourable The Right Honourable The Right Honourable Arthur Meighen William Lyon Richard Bedford Bennett, (1874-1960) Mackenzie King (later Viscount), (1874-1950) 7 August 1930 - 23 October 1935
The Right Honourable Louis Stephen St. Laurent, 15 November 1948 - 21 June 1957
The Right Honourable
John George Diefenbaker, The Right Honourable The Right Honourable 21 June 1957 - 22 April 1963 Richard Bedford Bennett Louis Stephen St. Laurent (1870-1947) (1882-1973) The Right Honourable Lester Bowles Pearson, 22 April 1963 - 20 April 1968
The Right Honourable Pierre Elliott Trudeau, 20 April 1968 - 21 May 1979 3 March 1980 - 30 June 1984 The Right Honourable The Right Honourable The Right Honourable John George Diefenbaker Lester Bowles Pearson Pierre Elliott Trudeau (1895-1979) (1897-1972) (1919-2000)
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