Merion
| Name | Merion |
| Type | Passenger steamer |
| GRT | 19.380 tons (one of the largest ships hit) |
| Country |  British |
| Built | 1902 |
| Builder | John Brown & Co. Ltd., Glasgow |
| Operator | Royal Navy |
| History | In 1914 she was sold by the American Line to the British Admiralty to operate as a dummy capital ship representing HMS Tiger. |
U-boat attacks on Passenger steamer Merion
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 29 May, 1915 | UB 8 (Ernst von Voigt) | Sunk | off Moudros, Dardanelles |
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