Crew list of Ships hit by U-boats
John O'Brien
Merchant Navy. Irish
| Born | 1912 | Cork | |
| Died | 26 Nov 1942 | (30) |
Roster information listed for John O'Brien
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Ocean Crusader | Steam merchant | Able Seaman | 26 Nov 1942 (+) | U-262 (1) |