| Regimental number | 7155 |
| School | St Joseph's (Catholic) College, Hunters Hill, Sydney, New South Wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Dockyard via Raymond Terrace, New South Wales |
| Marital status | Married |
| Age at embarkation | 43 |
| Next of kin | Wife, Mrs Blanche O'Brien, 23 Bondi Road, Waverley, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 19th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/36/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 19th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Reincourt, France |
| Age at death | 44 |
| Age at death from cemetery records | 44 |
| Place of burial | Daours Communal Cemetery Extension (Plot III, Row E, Grave No. 14), France |
| Panel number, Roll of Honour, Australian War Memorial | 89 |
| Miscellaneous information from cemetery records | Parents: Michael and Bridget O'BRIEN; husband of Mrs B O'BRIEN, Ascot, Tevali, Bondi Beach, Sydney, New South Wales. Native of Dockyard, Raymond Terrace, New South Wales |
| 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
