| Regimental number | 2152 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Beatty Street, West End, South Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, John O'Brien, Beatty Street, West End, South Brisbane, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 26th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/43/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A26 Armadale on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 26th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: 3866A Pte John O'BRIEN, 31st Bn, killed in action, 27 September 1917 |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
