| Place of birth | Cooktown Queensland |
| Religion | Church of England |
| Occupation | Land surveyor |
| Address | Cooktown, Queensland |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Father, Jas. John Cobon, Cooktown, Queensland |
| Enlistment date | 3 March 1915 |
| Rank on enlistment | Corporal |
| Unit name | 26th Battalion, A Company |
| AWM Embarkation Roll number | 23/43/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A11 Ascanius on 24 May 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 26th Battalion |
| Fate | Returned to Australia 10 June 1916 |