| Regimental number | 1010 |
| Place of birth | Sheffield, Tasmania |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | Claude Road, Tasmania |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, Thomas Cock, Claude Road, Tasmania |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 40th Battalion, A Company |
| AWM Embarkation Roll number | 23/57/1 |
| Embarkation details | Unit embarked from Hobart, Tasmania, on board HMAT A35 Berrima on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 40th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 156 Pte William COCK, 40th Bn, returned to Australia, 27 May 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |