| Regimental number | 2261 |
| Place of birth | Richmond Victoria |
| Religion | Roman Catholic |
| Occupation | Bootmaker |
| Address | 65 Williams Street, Abbotsford, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Joseph O'Brien, 65 Williams Street, Abbotsford, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 58th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/75/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A67 Orsova on |
| Regimental number from Nominal Roll | 2261A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 60th Battalion |
| Fate | Returned to Australia |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
