| Regimental number | R4173 |
| Religion | Presbyterian |
| Occupation | Labourer |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, John Anderson O'Brien, Driffield Street, Queenstown, Tasmania |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 24th Battalion, 13th Reinforcement |
| AWM Embarkation Roll number | 23/41/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on |
| Regimental number from Nominal Roll | 4173 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 24th Battalion |
| Fate | Killed in Action |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
