| | | | |
| Henry Frederick Stephenson R.N. | Explanation |
| Son of Henry F Stephenson and nephew of Henry Keppel |
| |
| Date (from) | (Date to) | Personal |
| 7 June 1842 | | Born |
| 1897 | | K.C.B. (Knight Commander of the Bath) |
| 1901 | | (G.C.V.O.) Knight Grand Cross, Royal Victorian Order |
| 5 December 1903 | | Married Hon. Charlotte Elizabeth Eleanor (d. 1923), daughter of Alexander Fraser, 17th Baron Saltoun of Abernethy |
| 1904 | | Appointed Gentleman Usher of the Black Rod |
| 16 December 1919 | | Died |
| |
| Date | Rank |
| 18 December 1855 | Entered Navy |
| 7 June 1861 | Lieutenant |
| 26 April 1868 | Commander |
| 6 January 1875 | Captain |
| 4 August 1890 | Rear-Admiral |
| 10 October 1896 | Vice-Admiral |
| 7 December 1901 | Admiral |
| 1904 | Retired Admiral |
| |
| Date from | Date to | Service |
| 18 December 1855 | | Naval Cadet in St Jean d'Acre, commanded by Henry Keppel, the Black Sea during the Russian War |
| 1 September 1856 | 14 April 1857 | Naval Cadet in Raleigh, commanded by Henry Keppel, East Indies and China, (including 2nd Anglo-Chinese War) (until wrecked near Macaw when the ship struck an uncharted rock; all saved) |
| (June 1857) | | Midshipman in Pearl, commanded by Edward Southwell Sotheby, serving with Pearl's Naval Brigade during the Indian Mutiny |
| 20 September 1861 | | Lieutenant in Emerald, commanded by Arthur Cumming, Channel squadron |
| 19 May 1862 | | Lieutenant in Cormorant |
| 30 March 1866 | | Lieutenant commander in Heron, North America and West Indies |
| 18 January 1867 | 26 April 1868 | Lieutenant in Rodney, commanded by Algernon Charles Fieschi Heneage, flagship of Vice-Admiral Henry Keppel, China (Flag-lieutenant) |
| (September 1868) | 24 September 1868 | Commander in Rattler, China, until wrecked on north coast of Yesso (modern Hokkaido), Japan (struck an unknown reef, all saved) |
| (1871) | 22 August 1871 | Commander (2ic) in Iron Duke |
| 22 August 1871 | | Commander (2ic) in Caledonia, commanded by Chandos Scudamore Scudamore Stanhope, Mediterranean |
| 15 April 1875 | | Captain in Discovery (from commissioning at Portsmouth), for the British Arctic expedition of 1875-6, led by George Strong Nares in Alert |
| 15 September 1880 | | Captain in Carysfort (from commissioning at Sheerness), 1880 Flying squadron |
| 4 May 1893 | 19 June 1896 | Commander-in-chief, Pacific |
| 7 June 1897 | 20 December 1898 | Commander-in-chief, Channel squadron |
| 1902 | 1904 | First and principal Naval aide-de-camp to King Edward VII |