Crew list of Ships hit by U-boats
Harold William Mason
Merchant Navy. British
| Born | 1920 | Guisborough | |
| Died | 5 Jul 1942 | (22) |
Roster information listed for Harold William Mason
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | River Afton | Steam merchant | Fireman and Trimmer | 5 Jul 1942 (+) | U-703 (1) |