| Dates of Office | Commissioner | (Born - Died) |
| 17 Aug 1897 - 5 Jul 1898 | James Morrow Walsh | (b. 1840 - d. 1905) |
| 5 Jul 1898 - 11 Mar 1901 | William Ogilvie | (b. 1846 - d. 1912) |
| 11 Mar 1901 - 8 Feb 1902 | James Hamilton Ross | (b. 1856 - d. 1932) |
| 8 Feb 1902 - 15 Aug 1902 | Henry William Newlands | (b. 1862 - d. 1954) |
| 15 Aug 1902 - 4 Mar 1903 | Zachary Taylor Wood | (b. 1860 - d. 19...) |
| 4 Mar 1903 - 29 Oct 1904 | Frederick Tennyson Congdon | (b. 1858 - d. 1932) |
| 20 Dec 1904 - 27 May 1905 | Zachary Taylor Wood | (b. 1860 - d. 19...) |
| 27 May 1905 - 31 Dec 1906 | William Wallace Burns McInnes | (b. 1871 - d. 1954) |
| 17 Jun 1907 - 1 Jun 1911 | Alexander L. Henderson | (b. 1861 - d. 1940) |
| 1 Feb 1912 - 13 Oct 1916 | George Black | (b. 1873 - d. 1965) |
| 13 Oct 1916 - 1 Apr 1918 | George Norris Williams |
|
| 1 Apr 1918 - 1924 | George Patton Mackenzie | (b. 1873 - d. 1953) |
| 1 Apr 1925 - Dec 1927 | Percy Bearisto Reid | (b. ... - d. 1927) |
| 1 Apr 1928 - 30 Jun 1932 | George Ian MacLean |
|
| 30 Jun 1932 - Jul 1946 | George Allan Jeckell | (b. 1880 - d. 1950) |
| 18 Sep 1947 - 15 Aug 1950 | John Edward Gibben | (b. 1901) |
| 15 Aug 1950 - 15 Oct 1951 | Andrew Harold Gibson |
|
| 15 Oct 1951 - 5 Nov 1952 | Frederick Fraser | (b. 1895) |
| 5 Nov 1952 - 8 Jun 1955 | Wilfred George Brown |
|
| 8 Jun 1955 - 1 May 1962 | Frederick Howard Collins |
|
| 1 May 1962 - 7 Nov 1966 | Gordon Robertson Cameron |
|
| 7 Nov 1966 - 1 Jul 1976 | James Smith |
|
| 1 Jul 1976 - 1 Nov 1978 | Arthur MacDonald Pearson | (b. 1938) |
| 1 Nov 1978 - 20 Jan 1979 | Frank Fingland | (b. 1894) |
| 20 Jan 1979- 9 Oct 1979 | Ione Jean Christensen | (b. 1933) |
| 9 Oct 1979 - 27 Mar 1986 | Douglas Leslie Dewey Bell | (b. 1926) |
| 27 Mar 1986 - 12 Jun 1995 | John Kenneth McKinnon | (b. 1936) |
| 12 Jun 1995 - 1 Oct 2000 | Judy Gingell | (b. 1948) |
| 1 Oct 2000 - 1 Dec 2005 | Jack Cable | (b. 1934) |
| 1 Dec 2005 - 1 Dec 2010 | | Geraldine Van Bibber | (b. 1951) |
| 1 Dec 2010 - | Doug Phillips | (b. 1946) |
