Lady Helen
| Name | Lady Helen |
| Type | Steamer |
| GRT | 811 tons |
| Country |  British |
| Built | 1909 |
| Builder | S. P. Austin & Son, Ltd., Sunderland |
| Operator | Marquis of Londonderry (D. N. Grimes), Sunderland |
| History |
U-boat attacks on Steamer Lady Helen
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 27 Oct 1917 | UB 34 (Hellmuth von Ruckteschell) | Sunk | 0.5 miles E of South Cheek, Robin Hood Bay | Yarmouth - Seaham | in ballast | 7 |
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