Crew list of Ships hit by U-boats
Dennis O'Sullivan
Merchant Navy. Irish
| Born | 1905 | Kinsale | |
| Died | 25 Aug 1940 | (35) |
Roster information listed for Dennis O'Sullivan
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Athelcrest | Motor tanker | Able Seaman | 25 Aug 1940 (+) | U-48 (1) |