| | | | |
| John Montagu Hayes R.N. | Explanation |
| Son of Captain John Hayes, R.N. |
| |
| Date (from) | (Date to) | Personal |
| 23 March 1816 | | Born |
| |
| Date | Rank |
| 20 March 1829 | Entered Navy |
| 21 October 1837 | Lieutenant |
| 8 October 1841 | Commander |
| 9 July 1855 | Captain |
| 30 April 1873 | Retired Rear-Admiral |
| 21 March 1878 | Retired Vice-Admiral |
| |
| Date from | Date to | Service |
| 13 February 1838 | | Lieutenant in Cruizer, commanded by Richard Henry King, East Indies |
| 10 May 1839 | | Lieutenant in Cruizer, East Indies |
| 2 February 1848 | | Commander in Champion, Pacific |
| 10 February 1855 | | Captain in Phoenix (from commissioning at Woolwich until paying off at Sheerness), White Sea, during the Russian War |
| 15 August 1860 | 17 May 1865 | Captain in Tartar (from commissioning at Sheerness until paying off at Sheerness), China (including the bombardment of Simonoseki) |
| 28 August 1865 | 8 September 1868 | Captain in Lion (until paying off at Portsmouth), Coast Guard, Greenock, then (July 1867) Coast Guard squadron, then (October 1867) Londonderry before returning to Greenock (replaced by Black Prince) |