| 19. | Esioff Lon Patenaude | under Borden | January 8 1917 - June 12 1917 |
| * | Albert Svigny (acting) | under Borden | June 13 1917 - August 24 1917 |
| 20. | Arthur Meighen | under Borden | August 25 1917 - October 12 1917 |
| 21. | Martin Burrell | under Borden | October 12 1917 - December 30 1919 |
| 22. | Arthur Lewis Sifton | under Borden | December 31 1919 - July 10 1920 |
| | Arthur Lewis Sifton (cont'd) | under Meighen | July 10 1920 - January 21 1921 |
| 23. | Sir Henry Lumley Drayton | under Meighen | January 24 1921 - September 20 1921 |
| 24. | Rodolphe Monty | under Meighen | September 21 1921 - December 29 1921 |
| 25. | Arthur Bliss Copp | under King | December 29 1921 - September 24 1921 |
| 26. | Walter Edward Foster | under King | September 26 1925 - November 12 1925 |
| 27. | Charles Murphy (acting) | under King | November 13 1925 - March 23 1926 |
| 28. | Ernest Lapointe (acting) | under King | March 24 1926 - June 28 1926 |
| 29. | Guillaume Andr Fauteux | under Meighen | August 23 1926 - September 25 1926 |
| 29. | Fernand Rinfret | under King | September 25 1926 - August 7 1930 |
| 30. | Charles Hazlitt Cahan | under Bennett | August 7 1930 - October 23 1935 |
| | Fernand Rinfret (second time) | under King | October 23 1935 - July 12 1939 |
| * | Ernest Lapointe (acting) | under King | July 26 1939 - May 8 1940 |
| 31. | Pierre-Franois Casgrain | under King | May 9 1940 - December 14 1941 |
| 32. | Norman Alexander McLarty | under King | December 15 1941 - April 17 1945 |
| 33. | Paul Joseph James Martin | under King | April 18 1945 - December 11 1946 |
| 34. | Colin William George Gibson | under King | December 12 1946 - November 15 1948 |
| | Colin William George Gibson (cont'd) | under St. Laurent | November 15 1948 - March 31 1949 |
| 35. | Frederick Gordon Bradley | under St. Laurent | March 31 1949 - June 11 1953 |
| 36. | Jack Pickersgill | under St. Laurent | June 11 1953 - June 30 1954 |
| 37. | Roch Pinard | under St. Laurent | July 1 1954 - June 21 1957 |
| 38. | Ellen Louks Fairclough | under Diefenbaker | June 21 1957 - May 11 1958 |
| 39. | Henri Courtemanche | under Diefenbaker | May 12 1958 - June 19 1960 |
| * | Lon Balcer (acting minister) | under Diefenbaker | June 21 1960 - October 10 1960 |
| 40. | Nol Dorion | under Diefenbaker | October 11 1960 - July 5 1962 |
| * | Lon Balcer (acting minister - 2nd time) | under Diefenbaker | July 11 1962 - August 8 1962 |
| 41. | George Ernest Halpenny | under Diefenbaker | August 9 1962 - April 22 1963 |
| | Jack Pickersgill (second time) | under Pearson | April 22 1963 - February 2 1964 |
| 42. | Maurice Lamontagne | under Pearson | February 2 1964 - December 17 1965 |
| 43. | Judy LaMarsh | under Pearson | December 17 1965 - April 9 1968 |
| * | John Joseph Connolly (acting minister) | under Pearson | April 10 1968 - April 20 1968 |
| 44. | Jean Marchand | under Trudeau | April 20 1968 - July 5 1968 |
| 45. | Grard Pelletier | under Trudeau | July 5 1968 - November 26 1972 |
| 46. | James Hugh Faulkner | under Trudeau | November 27 1972 - September 13 1976 |
| 47. | John Roberts | under Trudeau | September 14 1976 - June 3 1979 |
| 48. | David MacDonald | under Clark | June 4 1979 - March 2 1980 |
| 49. | Francis Fox | under Trudeau | March 3 1980 - September 21 1981 |
| 50. | Gerald Regan | under Trudeau | September 22 1981 - October 5 1982 |
| 51. | Serge Joyal | under Trudeau | October 6 1982 - June 29 1984 |
| | Serge Joyal (cont'd) | under Turner | June 30 1984 - September 16 1984 |
| 52. | Walter McLean | under Mulroney | September 17 1984 - April 19 1985 |
| 53. | Benoit Bouchard | under Mulroney | April 20 1985 - June 29 1986 |
| 54. | David Crombie | under Mulroney | June 30 1986 - March 30 1988 |
| 55. | Lucien Bouchard | under Mulroney | March 31 1988 - January 29 1989 |
| 56. | Gerry Weiner | under Mulroney | January 30 1989 - April 20 1991 |
| 57. | Robert de Cotret | under Mulroney | April 21 1991 - January 3 1993 |
| 58. | Monique Landry | under Mulroney | January 4 1993 - June 24 1993 |
| 59. | Monique Landry (cont'd) | under Campbell | June 24 1993 - November 3 1993 |
| 60. | Sergio Marchi | under Chrtien | November 4 1993 - January 24 1996 |
| 61. | Lucienne Robillard | under Chrtien | January 25 1996 - July 12 1996 |