Crew list of Ships hit by U-boats
William Leonard Madden
RN (P/JX 163778). British
| Born | 1899 | Camberwell | |
| Died | 17 Mar 1942 | (43) |
Roster information listed for William Leonard Madden
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | San Demetrio | Motor tanker | Leading Seaman (DEMS gunner) | 17 Mar 1942 (+) | U-404 (1) |