| Surname | Jefferson | |||
| First Name(s) | Robert William | |||
| Place of Birth | Sunderland | |||
| Club(s) | Bradford City Leeds City Swindon Town | |||
| Service | Royal Air Force | |||
| Other Service(s) | British Army | |||
| Rank | Corporal | |||
| Service Number | 48240 | |||
| Previous Service Number(s) | - | |||
| Regiment or Corps | Royal Air Force | |||
| Unit(s) | No. 1 (Southern) Aircraft Repair Depot | |||
| Previous Regiment(s) or Corps | Royal Flying Corps | |||
| Unit(s) | No. 1 (Southern) Aircraft Repair Depot | |||
| Type of Casualty (If applicable) | - | |||
| Theatre of War (If applicable) | - | |||
| Date of Death (If applicable) | - | |||
| Place of Death (If applicable) | - | |||
| Place of Burial/Commemoration (If applicable) | - | |||
| Grave/Memorial Reference (If applicable) | - | |||
| Awards and Decorations | - | |||
| Citation(s) | - | |||
| Supplementary Notes | Enlisted 20/09/1916. Transferred to RAF Reserve 26/04/1919. Discharged 30/04/1920. |
