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| John Charles Dalrymple Hay R.N. | Explanation |
| Eldest surviving son of Sir James Dalrymple Hay, second baronet (1788-1861) |
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| Date (from) | (Date to) | Personal |
| 11 February 1821 | | Born (Edinburgh) |
| 18 August 1847 | | Married the Hon. Eliza, third daughter of William Napier, eighth Baron Napier |
| 19 March 1861 | | Succeeded as 3rd Baronet Dalrymple-Hay of Park, Wigtown |
| 28 February 1862 | 13 July 1865 | M.P. (Conservative) for Wakefield |
| 8 May 1866 | 1 April 1880 | M.P. (Conservative) for Stamford |
| 1869 | | C.B. (Companion of the Bath) |
| 1874 | | Privy Counsellor |
| 2 August 1880 | 1885 | M.P. for Wigton |
| 1885 | | K.C.B. (Knight Commander of the Bath) |
| 1902 | | G.C.B. (Knight Grand Cross of the Bath) |
| 28 January 1912 | | Died (London) |
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| Date | Rank |
| 1834 | Entered Navy |
| 15 August 1844 | Lieutenant |
| 28 August 1846 | Commander |
| 20 January 1850 | Captain |
| 6 April 1866 | Rear-Admiral |
| 1 April 1870 | Retired Rear-Admiral |
| 30 April 1873 | Retired Vice-Admiral |
| 21 March 1878 | Retired Admiral |
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| Date from | Date to | Service |
| 12 November 1844 | | Lieutenant in Agincourt, commanded by Henry William Bruce, flagship of Thomas John Cochrane, East Indies |
| 1 March 1846 | | Lieutenant in Vestal, commanded by Charles Talbot, East Indies |
| January 1847 | 11 May 1847 | Commander in Wolverene (until paying off at Chatham), East Indies |
| 6 December 1847 | | Commander in Columbine, East Indies |
| 19 January 1854 | February 1855 | Captain in Victory, flagship of Vice-Admiral Thomas John Cockrane, Portsmouth |
| 25 January 1855 | 20 November 1856 | Captain in Hannibal (until paying off at Portsmouth), flagship of Rear-Admiral Houston Stewart, Black Sea during the Russian War, then Mediterranean |
| 25 November 1856 | | Captain in Indus, flagship of Rear-Admiral Houston Stewart, Devonport |
| 13 July 1866 | 18 December 1868 | Commissioner of the Admiralty (4th Naval Lord) |