Shamrock GW 1
| Built | 1904 Alexander Hall & Sons Ltd Aberdeen (Steel) |
| Yard No | 409 |
| Owner at New | John S Boyle Glasgow (owner/manager) |
| ID no | 119107 |
| Launch Date | 18.02.1904 |
| Completed | 1904 |
| Gross Tons | 170 |
| Nett Tons | 46 |
| Engine | 55 hp T.3-cyl by Alexander Hall & Sons Ltd Aberdeen |
| Length | 105.1ft |
| Breadth | 21.1ft |
| Depth | 11.3ft |
| Owners | |
| 1904 | Registered at Glasgow GW 1 |
| 21.01.1911 | Archibald Lamb (26) deckhand, Leith, lost overboard 80 miles off Aberdeen. |
| 02.06.2927 | Captured by submarine (U 96) and sunk by gunfire 66 mile NNE from Sule Skerry, all crewmen took to the small boat |