Imberhorne
| Name | Imberhorne |
| Type | Sailing vessel |
| GRT | 2,042 tons |
| Country |  Finnish |
| Built | 1882 |
| Builder | A. McMillan & Son, Dumbarton |
| Operator | Robert Mattsson, Mariehamn |
| History | Iron-hulled ship-rigged sailing vessel. |
U-boat attacks on Sailing vessel Imberhorne
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 1 May 1917 | UC 73 (Kurt Schapler) | Sunk | Stopped and sunk 130 miles NWxW of Stags of Broadhaven | 54.07N, 13.04W | Mobile - Greenock | pitch pine |
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