Crew list of Ships hit by U-boats
John Henry Powell
Merchant Navy. British
| Born | 1907 | Newport, Monmouthshire | |
| Died | 22 Aug 1941 | (34) |
Roster information listed for John Henry Powell
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Alva | Steam merchant | Fireman and Trimmer | 19 Aug 1941 | U-559 |
 | Clonlara | Steam merchant | Shipwrecked | 22 Aug 1941 (+) | U-564 (1) |