| Name | Shamrock (1856) | Explanation | |
| Type | Gunboat | ||
| Launched | 13 March 1856 | ||
| Hull | Wooden | ||
| Propulsion | Screw | ||
| Builders measure | 232 tons | ||
| Displacement | |||
| Guns | 4 | ||
| Fate | 1867 | ||
| Class | Albacore | ||
| Ships book | ADM 135/426 | ||
| Note | |||
| Snippets concerning this vessels career | |||
| Date | Event | ||
| (7 February 1856) - 17 May 1856 | Commanded by Lieutenant William Andrew James Heath | ||
| (June 1856) | Commanded by Lieutenant commander Charles James Bullock, coast of Ireland, surveying | ||
| 1 April 1858 | Commanded by Master commander William B. Calver, tender to Fisgard, Woolwich | ||
| 13 April 1859 - 30 May 1859 | Commanded (from commissioning at Plymouth) by Commander Joseph Edye, for surveying | ||
| 26 July 1860 | Commanded by Lieutenant commander Edward Wolfe Brooker, surveying service, tender to Fisgard, Woolwich | ||
| 1 January 1863 | Commanded by Captain Henry Charles Otter, for Surveying Service, carried on the books of Fisgard | ||
![]() |