| | | | |
| John Jervis Tucker R.N. | Explanation |
| Son of Benjamin Tucker, of Trematon Castle, near Saltash, Second Secretary to the Admiralty under St Vincent and Grenville |
| |
| Date (from) | (Date to) | Personal |
| 1802 | | Born |
| 16 October 1830 | | Married Sabina Anne (died 1873), eldest daughter of Vice-Admiral James Young |
| March 1886 | | Died (Trematon Castle) |
| |
| Date | Rank |
| 19 August 1815 | Entered Navy |
| 12 September 1822 | Lieutenant |
| 15 June 1827 | Commander |
| 28 June 1838 | Captain |
| 10 September 1857 | Rear-Admiral |
| 9 February 1864 | Vice-Admiral |
| 19 October 1864 | Retired Vice-Admiral |
| 10 September 1869 | Retired Admiral |
| |
| Date from | Date to | Service |
| 5 July 1828 | 1831 | Commander (2ic) in Semiramis, commanded by Maurice Frederick Fitzhardinge Berkeley, flagship of Rear-Admiral Charles Paget, Queenstown |
| 26 May 1841 | 12 April 1845 | Captain in Dublin (from commissioning at Portsmouth until paying off at Plymouth), flagship of Rear-Admiral Richard Thomas, Pacific |
| 16 June 1854 | 10 September 1857 | Captain in Formidable, guard ship of Ordinary, Sheerness |