Duchess Of Cornwall
| Name | Duchess Of Cornwall |
| Type | Steamer |
| GRT | 1,706 tons |
| Country |  British |
| Built | 1889 |
| Builder | W. Gray & Co., Ltd., West Hartlepool |
| Operator | Duchess of Cornwall SS. Co., Ltd. (R. B. Chellew), Falmouth |
| History |
U-boat attacks on Steamer Duchess Of Cornwall
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 11 Apr 1917 | UC 26 (Matthias Graf von Schmettow) | Sunk | 5 miles N of Cape Barfleur | London - Le Havre | 23 |
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