Crew list of Ships hit by U-boats
William R.M. O'Hara
USNR (191847). American
| Died | 9 Jul 1943 |
Roster information listed for William R.M. O'Hara
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Samuel Heintzelman | Steam merchant | Ensign | 9 Jul 1943 (+) | U-511 |
| Died | 9 Jul 1943 |
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
| Samuel Heintzelman | Steam merchant | Ensign | 9 Jul 1943 (+) | U-511 |