Crew list of Ships hit by U-boats
John Francis Cyril Lupton
Merchant Navy. British
| Born | 3 Jul 1922 | London | |
| Died | 31 Mar 1942 | (19) |
Roster information listed for John Francis Cyril Lupton
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | San Gerardo | Steam tanker | Second Radio Officer | 31 Mar 1942 (+) | U-71 (1) |