| P1840 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1840-07-01 | 1840-06-01 | Ongoing | Western Port District | | | | | | | | Gisborne. | | |
| P1841 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1840-07-01 | 1840-06-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1842 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1840-07-01 | 1840-06-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1843 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1840-07-01 | 1840-06-01 | 1843-09-12 | Western Port District | | | | | | | | CCL. | | |
| P1843 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1843-09-13 | 1843-09-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1844 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1843-09-13 | 1843-09-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1845 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1843-09-13 | 1843-09-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1846 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1846-11-09 | 1846-11-30 | Western Port District | | | | | | | | CCL. | | |
| P1846 | Grimes, Edward | (District) Commissioner | 1846-12-01 | | R | 1846-12-01 | 1846-12-01 | Ongoing | Western Port District | | | | | | | | Powlett (on leave). | | |
| P1846 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1846-12-01 | Ongoing | Western Port District | | | | | | | | On leave (18 months). | | |
| P1847 | Grimes, Edward | (District) Commissioner | 1846-12-01 | | R | 1846-12-01 | 1846-12-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1847 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1846-12-01 | Ongoing | Western Port District | | | | | | | | On leave (18 months). | | |
| P1848 | Grimes, Edward | (District) Commissioner | 1846-12-01 | | R | 1846-12-01 | 1846-12-01 | 1848-12-31 | Western Port District | | | | | | | | Powlett returned. | | |
| P1848 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1846-12-01 | 1848-12-31 | Western Port District | | | | | | | | On leave (18 months). | | |
| P1849 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1849-01-01 | Ongoing | Western Port District | | | | | | | | Returned from leave. Grimes. | | |
| P1850 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1849-01-01 | Ongoing | Western Port District | | | | | | | | | | |
| P1851 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1846-11-09 | 1840-06-01 | 1851-06-30 | Western Port District | | | | | | | | | Colony of Victoria. | |
| V1851 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1851-07-15 | 1851-07-01 | Ongoing | Western Port District | | | | | | | | Also GC. | | |
| V1852 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | 1851-07-15 | 1851-07-01 | TBD | Western Port District | | | | | | | | Also GC. | Colonial Treasurer 1852-09-30. | |
| V1853 | Powlett, Frederick Armand | (District) Commissioner | 1840-06-01 | | R | | 1851-07-01 | 1853-08-16 | Western Port District | | | | | | | | Colonial Treasurer to 1853-07-21. | Chief Commissioner | |
| V1853 | Thomson, John Campbell | (District) Commissioner | | | R | 1853-02-07 | 1853-02-07 | Ongoing | Western Port District | | | | | | | | Powlett. | | |
| V1854 | Thomson, John Campbell | (District) Commissioner | | | R | | 1853-02-07 | 1854-05 | Western Port District | | | | | | | | | | |
| V1854 | Barnard, Edward Thomas | (District) Commissioner | | | R | | 1854 | 1854 | Western Port District | | | | | | | | Filled in for Thomson. | | |
| V1854 | Thomson, John Campbell | (District) Commissioner | | | R | | 1854-05 | Ongoing | Western Port District | | | | | | | | | | |
| V1855 | Thomson, John Campbell | (District) Commissioner | | | R | | 1853-02-07 | Ongoing | Western Port District | | | | | | | | | | |
| V1857 | Thomson, John Campbell | (District) Commissioner | | | R | | 1853-02-07 | TBD | Western Port District | | | | | | | | | | |