| Surname | YOUNIE |
| Forename(s) | WILLIAM ALEXANDER |
| Service Number | J89867 |
| Rank | Pilot Officer |
| Service | Royal Canadian Air Force |
| Trade | Air Bomber |
| Fate | Killed on active service |
| Awards with 158 Squadron | |
| Awards with another Squadron | |
| Posted In | 1944-04-13 |
| From Squadron | 1652 HCU |
| Comments | A website has been set up in commemoration of the crew of his final flight: https://1583357.wixsite.com/in-memory-of-the-cre |