| Surname | O'BRIEN |
| Forename(s) | RALPH CONNORS |
| Service Number | J15750 |
| Rank | Pilot Officer |
| Service | Royal Canadian Air Force |
| Trade | Pilot |
| Fate | Killed in action |
| Awards with 158 Squadron | |
| Awards with another Squadron | |
| Posted In | 1942-02-14 |
| From Squadron | 104 Sqn |
| Comments | P/O O'Brien was killed on the 31st May 1942.
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