| Regimental number | 3679 |
| Place of birth | Swan Hill, Victoria |
| Place of birth | Quarry Hill, Victoria |
| School | Swan Hill State School, Victoria |
| Religion | Roman Catholic |
| Occupation | Driver |
| Address | 240 Neill Street, Bendigo, Victoria |
| Marital status | Married |
| Age at embarkation | 22 |
| Next of kin | Wife, Mrs Heleii Tracy O'Brien, 240 Neill Street, Bendigo, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 8th Reinforcement |
| AWM Embarkation Roll number | 23/39/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A19 Afric on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Other details from Roll of Honour Circular | His calling was Roman Catholic. |
| Fate | Died of wounds |
| Place of death or wounding | Unknown |
| Age at death | 23 |
| Age at death from cemetery records | 23 |
| Place of burial | Estaires Communal Cemetery (Plot II, Row K, Grave No. II), France |
| Panel number, Roll of Honour, Australian War Memorial | 164 |
| Miscellaneous information from cemetery records | Parents: William and Margaret O'BRIEN , Mackenzie Street West, Golden Square, Victoria |
| 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
