| Surname | LLEWELLYN |
| Forename(s) | SIDNEY |
| Service Number | 540353 |
| Rank | Sergeant |
| Service | Royal Air Force |
| Trade | Flight Engineer |
| Fate | Killed on active service |
| Awards with 158 Squadron | |
| Awards with another Squadron | |
| Posted In | 1942-10-16 |
| From Squadron | 158 CF |
| Comments |