| Regimental number | 2767 |
| Place of birth | Murrumburrah New South Wales |
| Religion | Presbyterian |
| Occupation | Railway porter |
| Address | Mullumbimby, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, James McCowan, Mullumbimby, New South Wales |
| Enlistment date | 25 August 1915 |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/42/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A48 Seang Bee on 21 October 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Battalion |
| Fate | Returned to Australia 12 April 1919 |
| Miscellaneous details (Nominal Roll) | *given name two spellings Allen and Allan |
| Date of death | 13 November 1964 |
| Place of burial | Mullumbimby Cemetery |
