| | | | |
| William Alexander Baillie Hamilton R.N. | Explanation |
| Third son of Ven. Charles Baillie Hamilton, Archdeacon of Cleveland and Lady Charlotte Home, youngest daughter of the 9th Earl of Home. |
| |
| Date (from) | (Date to) | Personal |
| 6 June 1803 | | Born. |
| 1835 | | Private Secretary to his relative, Thomas, Earl of Haddington, Lord Lieutenant of Ireland. |
| 15 August 1838 | | Married Lady Harriet Hamilton (ca 1812, died 19 March 1884), daughter of Viscount Hamilton. |
| 1 October 1881 | | Died. |
| Literature: (O'Byrne). |
| |
| Date | Rank |
| April 1817 | Entered Royal Naval College. |
| 1 December 1823 | Lieutenant |
| 17 November 1826 | Commander |
| 9 August 1828 | Captain |
| 2 May 1855 | Retired Rear-Admiral |
| 15 January 1862 | Retired Vice-Admiral |
| 12 September 1865 | Retired Admiral |
| |
| Date from | Date to | Service |
| 28 August 1816 | | 1st class Volunteer in Rochfort |
| October 1819 | | Serving in Vigo |
| 18?? | | Serving in Active |
| 18?? | | Serving in Euryalus |
| 18?? | | Serving in Revenge |
| 1 December 1823 | | Lieutenant in Active |
| 26 January 1824 | | Lieutenant in Blanche |
| 2 December 1824 | | Lieutenant in Windsor Castle |
| 26 July 1825 | | Lieutenant in Druid |
| 1 March 1826 | | Lieutenant in Ganges |
| 182? | | Lieutenant in Blonde |
| 2 July 1827 | | Commander in Pelican |
| 182? | | Commander in Doterel |
| 9 August 1828 | 1 December 1828 | Captain in Pelican |
| 8 September 1841 | 27 January 1845 | Private Secretary to Thomas, Earl of Haddington, First Lord of the Admiralty |
| 28 January 1845 | 22 May 1855 | Second Secretary to the Admiralty |