| | | | |
| Sherard Osborn R.N. | Explanation |
| Son of Colonel Edward Osborn of the Madras army |
| |
| Date (from) | (Date to) | Personal |
| 25 April 1822 | | Born |
| January 1852 | | Married Helen, daughter of John Hinksman of Queen Anne Street, London |
| 4 February 1856 | | C.B. (Companion of the Bath) |
| 6 May 1875 | | Died (London) |
| |
| Date | Rank |
| September 1837 | Entered Navy |
| 4 May 1846 | Lieutenant |
| 30 October 1852 | Commander |
| 18 August 1855 | Captain |
| 29 May 1873 | Rear-Admiral |
| |
| Date from | Date to | Service |
| September 1837 | 1842 | Serving in Hyacinth, commanded by William Warren, East Indies |
| 1842 | | Serving in Clio, commanded by Edward Norwich Troubridge, China |
| 1843 | 1843 | Serving in Volage, commanded by William Dickson, East Indies |
| 4 May 1846 | 1848 | Lieutenant in Collingwood, commanded by Robert Smart, flagship of Rear-Admiral George Francis Seymour, Pacific |
| 1848 | | Lieutenant in Dwarf, coast of Ireland |
| 28 February 1850 | 1851 | Lieutenant commander in Pioneer, tender to Resolute (Horatio Thomas Austin), searching for Sir John Franklin's ill-fated 1845 |
| 30 October 1852 | | Commander in Pioneer, tender to Assistance (Sir Edward Belcher) searching, together with Resolute (Henry Kellett) and Intrepid (M'Clintock) for Sir John Franklin's ill-fated 1845 North-West Passage expedition, until abandoned at Bathurst Island |
| 1855 | | Commander in Vesuvius, Black Sea during the Russian War |
| 18 August 1855 | | Captain in Medusa, senior offcier in the Sea of Azov during the Russian War |
| 11 May 1857 | 1859 | Captain in Furious, East Indies and China (escorting a fleet of fifteen gunboats out for the attack on Canton during the 2nd Anglo-Chinese War) |
| 18 May 1861 | 10 June 1862 | Captain in Donegal (until paying off at Plymouth), Channel squadron then (November 1861) transporting troops to Mexico, toegether with Sans Pareil and Conqueror |
| 13 June 1862 | 13 July 1862 | Captain in Dauntless, Coast Guard, Southampton Water |
| September 1862 | January 1864 | Employed by the Imperial Chinese government as flag-officer of a naval squadron to combat pirates and the Taiping rebellion, but resigned when he learned that he was to be placed under the command of the mandarins at the several ports, and not directly under the Emperor |
| 7 July 1864 | 14 October 1864 | Captain in Royal Sovereign (from commissioning at Portsmouth), Channel squadron |
| 1865 | 1866 | Agent to the Great Indian Peninsula Railway |
| 1867 | 1873 | Managing director of the Telegraph Construction and Maintenance Company |
| 1869 | | Founding Director of the International Mid-Channel Telegraph Co. Ltd. |
| 1871 | 1871 | Captain in Hercules, Channel fleet |