Shamrock
| Name | Shamrock |
| Type | Steam Trawler |
| GRT | 170 tons |
| Country |  British |
| Built | 1904 |
| Builder | A. Hall & Co., Ltd., Aberdeen |
| Operator | J. S. Boyle, Glasgow |
| History |
U-boat attacks on Steam Trawler Shamrock
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 2 Jun 1917 | U 96 (Heinrich Jeß) | Sunk | Stopped and sunk 66 miles NNE of Sule Skerry | 0 |
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