| Regimental number | 2420 |
| Place of birth | Warracknabeal, Victoria |
| School | St Augustine's (Catholic) Orphanage, Geelong, Victoria |
| Religion | Roman Catholic |
| Occupation | Wickmaker |
| Address | 182 Neill Street, Carlton, Melbourne, Victoria |
| Marital status | Married |
| Age at embarkation | 26 |
| Next of kin | Mrs H E O'Brien, 23 Waterloo Street, Carlton, Melbourne, Victoria |
| Previous military service | Served at the Royal Australian Naval Depot at Williamstown, Victoria. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 24th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/41/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT RMS Osterley on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 24th Battalion |
| Fate | Died of wounds |
| Place of death or wounding | Bullecourt, France |
| Age at death | 28 |
| Age at death from cemetery records | 28 |
| Place of burial | Achiet-Le-Grand Communal Cemetery Extension (Plot I, Row D, Grave No. 7), France |
| Panel number, Roll of Honour, Australian War Memorial | 102 |
| Miscellaneous information from cemetery records | Parents: John and Terasa Margaret O'BRIEN; husband of Hilda Emma Carr (formerly O'BRIEN), 20 Henry Street, Abbotsford, Victoria. Native of Warracknabeal, Vicktoria |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
