| Regimental number | 3005 |
| Religion | Roman Catholic |
| Occupation | Carpenter |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, J J O'Brien, 13 Miller Street, East Brunswick, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Driver |
| Unit name | Divisional Ammunition Column (Sept-Oct 1914) |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board Transport A7 Medic on |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Returned to Australia |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
