| Dates of Office | Commissioner |
|---|
| September 25, 1873 - October 17, 1873 | Lieutenant-Colonel W. Osborne Smith |
| October 18, 1873 - July 21, 1876 | George Arthur French |
| July 22, 1876 - October 31, 1880 | James Farquharson Macleod, C.M.G. |
| November 1, 1880 - March 31, 1886 | Acheson Gosford Irvine |
| April 1, 1886 - July 31, 1900 | Lawrence William Herchmer |
| August 1, 1900 - March 31, 1923 | Aylesworth Bowen Perry, C.M.G. |
| April 1, 1923 - July 31, 1931 | Cortlandt Starnes |
| August 1, 1931 - March 5, 1938 | Sir James Howden MacBrien, K.C.B., C.M.G., D.S.O. |
| March 6, 1938 - April 30, 1951 | Stuart Taylor Wood, C.M.G. |
| May 1, 1951 - March 31, 1959 | Leonard Hanson Nicholson, M.B.E. |
| April 1, 1959 - March 31, 1960 | Charles Edward Rivett-Carnac |
| April 1, 1960 - October 31, 1963 | Clifford Walter Harvison |
| November 1, 1963 - August 14, 1967 | George Brinton McClellan |
| August 15, 1967 - September 30, 1969 | Malcolm Francis Aylesworth Lindsay |
| October 1, 1969 - December 28, 1973 | William Leonard Higgitt |
| December 29, 1973 - August 31, 1977 | Maurice Jean Nadon |
| September 1, 1977 - August 31, 1987 | Robert Henry Simmonds, O.C. |
| September 1, 1987 - June 24, 1994 | Norman Inkster |
| June 25, 1994 - September 1, 2000 | Philip Murray |
| September 1, 2000 - December 15, 2006 | Giuliano (Zack) Zaccardelli |
| December 15, 2006 - July 16, 2007 | Bev Busson, C.O.M., O.B.C. |
| July 16, 2007 - | William Elliott |
