| Regimental number | 603 |
| Place of birth | Hoyton England |
| Religion | Church of England |
| Occupation | Packer |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, A Cox, 158 Manor Place, Walworth Road, London, SE |
| Enlistment date | 3 March 1915 |
| Date of enlistment from Nominal Roll | 3 February 1915 |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, C Company |
| AWM Embarkation Roll number | 23/42/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A60 Aeneas on 29 June 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 25th Battalion |
| Fate | Discharged 29 March 1917 |
| Family/military connections | Brother: 602 Pte Arthur COX, 25th Bn, returned to Australia, 23 July 1919. |