Bay State
| Name | Bay State |
| Type | Steamer |
| GRT | 6,583 tons |
| Country | |
| Built | 1915 |
| Builder | Sir James Laing & Sons, Ltd., Sunderland |
| Operator | White Diamond SS. Co., Ltd. (G. Warren & Co., Ltd.), Liverpool |
| History |
U-boat attacks on Steamer Bay State
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 10 Jun 1917 | U 66 (Thorwald von Bothmer) | Sunk | 250 miles NW of Fastnet | 53.00N, 16.09W | Boston - Liverpool | general cargo | 0 |
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