Crew list of Ships hit by U-boats
Thomas Herbert Mason
Merchant Navy. British
| Born | 1903 | Killeigh, Co. Down | |
| Died | 21 Apr 1940 | (37) |
Roster information listed for Thomas Herbert Mason
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Cedarbank | Motor merchant | Radio Officer | 21 Apr 1940 (+) | U-26 (1) |