| Regimental number | 3807 |
| Place of birth | St Kilda New South Wales |
| School | Brighton Road State School, Victoria |
| Religion | Church of England |
| Occupation | Ironmonger |
| Address | 140 Inkerman Street, St Kilda, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, John Cox, 140 Inkerman Street, St Kilda, Melbourne, Victoria |
| Previous military service | Cadets |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/39/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A69 Warilda on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 22nd Battalion |
| Fate | Killed in Action |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | Divisional Collecting Post Cemetery Extension (Plot I, Row N, Grave No. 8), Boesinghe, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 96 |
| Miscellaneous information from cemetery records | Parents: Arthur and Ada COX, 140 Inkerman Street, St. Kilda, Victoria |
| Family/military connections | Brother: 3038 Pte Arthur John COX, 8th Bn, returned to Australia, 12 April 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |