John G. Mccullough
| Name | John G. Mccullough |
| Type | Steamer |
| GRT | 1,985 tons |
| Country |  American |
| Built | 1890 |
| Builder | Union Dry Dock Co., Buffalo, N.Y |
| Operator | United States SS. Co., Inc., New York |
| History |
U-boat attacks on Steamer John G. Mccullough
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 18 May 1918 | UB 74 (Ernst Steindorff) | Sunk | Torpedoed 8 miles S of Ile d’Yeu | 46.35N, 02.16W | London - Rochefort | 1 |
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