Treverbyn
| Name | Treverbyn |
| Type | Steamer |
| GRT | 4,163 tons |
| Country |  British |
| Built | 1910 |
| Builder | J. Readhead & Sons, Ltd., So. Shields |
| Operator | Hain SS. Co., Ltd. (E. Hain & Son), St. Ives) |
| History |
U-boat attacks on Steamer Treverbyn
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Sep 1917 | U 75 (Fritz Schmolling) | Sunk | Mined 2 miles ESE Ushinish LH, S. Uist, Outer Hebrides | Narvik - Manchester | iron ore | 27 |
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