Crew list of Ships hit by U-boats
John R. Usher
Merchant Navy. British
| Born | 1921 | Little Strickland, Westmoreland | |
| Died | 20 May 1941 | (20) |
Roster information listed for John R. Usher
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | British Security | Motor tanker | Second Radio Officer | 20 May 1941 (+) | U-556 (1) |