Crew list of Ships hit by U-boats
William C. MacKay
Merchant Marine. American
| Died | 30 Apr 1944 |
Roster information listed for William C. MacKay
| Ship | Type | Rank / role | Attacked on | Boat | |
|---|---|---|---|---|---|
 | William S. Thayer | Steam merchant | Third Assistant Engineer | 30 Apr 1944 (+) | U-307 |