Crew list of Ships hit by U-boats
John Blackburn
Merchant Navy. British
| Born | 1918 | Liverpool | |
| Died | 3 Jul 1941 | (23) |
Roster information listed for John Blackburn
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | Robert L. Holt | Steam merchant | Assistant and Mess Room Steward | 3 Jul 1941 (+) | U-69 (1) |