| Regimental number | 280 |
| Religion | Roman Catholic |
| Occupation | Locomotive fireman |
| Address | Charters Towers, Queensland |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, Patrick O'Brien, Marsland Road, Charters Towers, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 11, Reinforcement 2 |
| AWM Embarkation Roll number | 24/16/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on |
| Regimental number from Nominal Roll | 280A |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 11th Machine Gun Company |
| Fate | Returned to Australia |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
