| Regimental number | 3623 |
| Place of birth | Birkenhead, South Australia |
| Religion | Church of England |
| Occupation | Storeman |
| Address | Glanville, South Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, William Edward Cobain, Rosetta Street, Glanville, South Australia |
| Enlistment date | 18 November 1916 |
| Rank on enlistment | Private |
| Unit name | 50th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/67/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on 4 August 1917 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 5th Field Artillery Brigade |
| Fate | Returned to Australia 8 January 1919 |
