| | | | |
| William Edmonstone R.N. | Explanation |
| |
| Date (from) | (Date to) | Personal |
| 29 January 1810 | | Born |
| 18 February 1888 | | Died |
| |
| Date | Rank |
| 5 September 1822 | Entered Navy |
| 23 February 1829 | Lieutenant |
| 23 November 1841 | Commander |
| 20 October 1853 | Captain |
| 3 July 1869 | Rear-Admiral |
| 1 April 1870 | Retired Rear-Admiral |
| 23 February 1876 | Retired Vice-Admiral |
| 9 January 1880 | Retired Admiral |
| |
| Date from | Date to | Service |
| 16 January 1852 | | Commander (2ic) in St George, commanded by Joseph Nias, guard ship of Ordinary, Devonport |
| 10 June 1859 | 12 August 1859 | Captain in Dauntless (from commissioning at Portsmouth), Portsmouth |
| 12 August 1859 | 23 August 1859 | Captain in Pearl, Portsmouth |
| 23 August 1859 | 6 December 1862 | Commodore in Arrogant (from commissioning at Portsmouth until paying off at Portsmouth), Commander-in-chief, west coast of Africa |
| 1 January 1864 | | Captain in Indus, flagship of Rear-Admiral Thomas Matthew Charles Symonds, flagship of the Admiral Superintendent, Devonport Dockyard |
| 6 April 1868 | | Commodore in Fisgard, Woolwich |