| 1. |
Sir Charles Tupper |
May 20, 1879 - May 28, 1884 |
under Prime Minister John A. Macdonald |
| * |
John Henry Pope (acting) |
May 29, 1884 - September 24, 1885 |
| 2. |
John Henry Pope |
September 25, 1885 - April 1, 1889 |
|
vacant |
April 2, 1889 - April 9, 1889 |
| * |
John A. Macdonald (acting) |
April 10, 1889 - November 27, 1889 |
as Prime Minister |
| 3. |
John A. Macdonald |
November 28, 1889 - June 6, 1891 |
|
vacant |
June 7, 1891 - June 16, 1891 |
under Prime Minister John Joseph Caldwell Abbott |
| * |
Mackenzie Bowell (acting) |
June 17, 1891 - January 10, 1892 |
| 4. |
John Graham Haggart |
January 11, 1892 - November 24, 1892 |
|
vacant |
November 25, 1892 - December 4, 1892 |
under Prime Minister John Sparrow David Thompson |
|
John Graham Haggart (2nd time) |
December 5, 1892 - December 12, 1894 |
|
vacant |
December 13, 1894 - December 20, 1894 |
under Prime Minister Mackenzie Bowell |
|
John Graham Haggart (3rd time) |
December 21, 1894 - January 5, 1896 |
| * |
Joseph-Aldéric Ouimet (acting) |
January 6, 1896 - January 14, 1896 |
|
John Graham Haggart (4th time) |
January 15, 1896 - April 27, 1896 |
|
vacant |
April 28, 1896 - April 30, 1896 |
under Prime Minister Charles Tupper |
|
John Graham Haggart (5th time) |
May 1, 1896 - July 8, 1896 |
|
vacant |
July 9, 1896 - July 19, 1896 |
under Prime Minister Wilfrid Laurier |
| 5. |
Andrew George Blair |
July 20, 1896 - July 20, 1903 |
| * |
William Stevens Fielding (acting) |
July 21, 1903 - January 14, 1904 |
| 6. |
Henry Robert Emmerson |
January 15, 1904 - April 2, 1907 |
|
vacant |
April 3, 1907 - April 8, 1907 |
| * |
William Stevens Fielding (acting) |
April 9, 1907 - August 29, 1907 |
| 7. |
George Perry Graham |
August 30, 1907 - October 6, 1911 |
|
vacant |
October 7, 1911 - October 9, 1911 |
under Prime Minister Robert Laird Borden |
| 8. |
Francis Cochrane |
October 10, 1911 - October 11, 1917 |
| 9. |
John Dowsley Reid |
October 12, 1917 - July 9, 1920 |
| July 9, 1920 - September 20, 1921 |
under Prime Minister Arthur Meighen |
| 10. |
John Alexander Stewart |
September 21, 1921 - December 28, 1921 |
| 11. |
William Costello Kennedy |
December 29, 1921 - January 18, 1923 |
under Prime Minister William Lyon Mackenzie King |
|
vacant |
January 19, 1923 - April 27, 1923 |
|
George Perry Graham (2nd time) |
April 28, 1923 - February 19, 1926 |
|
vacant |
February 20, 1926 - February 28, 1926 |
| 12. |
Charles Avery Dunning |
March 1, 1926 - June 28, 1926 |
| * |
Sir Henry Lumley Drayton (acting) |
June 29, 1926 - July 12, 1926 |
under Prime Minister Arthur Meighen |
| 13. |
William Anderson Black |
July 13, 1926 - September 24, 1926 |
|
Charles Avery Dunning (2nd time) |
September 25, 1926 - November 25, 1929 |
under Prime Minister William Lyon Mackenzie King |
| * |
Charles Avery Dunning (acting) |
November 25, 1929 - December 29, 1929 |
| 14. |
Thomas Alexander Crerar |
December 30, 1929 - August 6, 1930 |
| 15. |
Robert James Manion |
August 7, 1930 - October 22, 1935 |
under Prime Minister Richard Bedford Bennett |
| 16. |
Clarence Decatur Howe |
October 23, 1935 - November 1, 1936 |
under Prime Minister William Lyon Mackenzie King |
| (position abolished) |
