| | | | |
| Houston Stewart R.N. | Explanation |
| Son of Sir Michael Shaw Stewart, 5th Bart., of Greenock and Blackhall |
| |
| Date (from) | (Date to) | Personal |
| 3 August 1791 | | Born (Springkell, near Kirtlebridge, Dumfriesshire) |
| 10 February 1819 | | Married Martha, youngest daughter of Sir William Miller, Bart. |
| 18 December 1840 | | C.B. (Companion of the Bath) for service in Syria |
| 5 July 1855 | | K.C.B. (Knight Commander of the Bath). |
| 28 March 1865 | | G.C.B. (Knight Grand Cross of the Bath) |
| 10 December 1875 | | Died (Dourie Bank, Port William) |
| |
| Date | Rank |
| 5 February 1805 | Entered Navy |
| 1 August 1811 | Lieutenant |
| 13 August 1814 | Commander |
| 10 June 1817 | Captain |
| 16 June 1851 | Rear-Admiral |
| 30 July 1857 | Vice-Admiral |
| 10 November 1862 | Admiral |
| 20 October 1872 | Admiral of the Fleet |
| |
| Date from | Date to | Service |
| July 1809 | | Served at Walcheren |
| January 1815 | | Commander in Shark, Jamaica station |
| 181? | | Commander in Royalist, Jamaica station |
| 181? | March 1817 | Commander in Rifleman, Jamaica station |
| 21 October 1823 | December 1826 | Captain in Menai, North America (and in command of Halifax dockyard) |
| 9 April 1839 | May 1842 | Captain in Benbow, Mediterranean (including operations on the coast of Syria in 1840) |
| 13 July 1846 | | Captain-Superintendent of Woolwich Dockyard |
| 13 November 1846 | 1850 | Controller-General of the Coastguard |
| 9 February 1850 | 2 March 1852 | Commissioner of the Admiralty (3th then 2nd Naval Lord) |
| 13 April 1853 | January 1855 | Rear-Admiral Superintendent, Malta (flag in Ceylon) |
| 4 January 1855 | 28 October 1856 | Second in command in the Black Sea during the Russian War (and in command at the capture of Kinburn) (flag in Hannibal) |
| 1856 | | Superintendent of Devonport dockyard (flag in Indus) |
| 26 November 1856 | 13 January 1860 | Commander-in-chief, North America and West Indies (flag in Indus) |
| 11 October 1860 | 27 October 1863 | Commander-in-chief, Devonport (flag in Impregnable, then (1862) Royal Adelaide) |