| Regimental number | 2960 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 573 Darling Street, Rozelle, New South Wales |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, John O'Brien, 573 Darling Street, Rozelle, New South Wales |
| Enlistment date | 2 June 1916 |
| Rank on enlistment | Private |
| Unit name | 53rd Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/70/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A11 Ascanius on 25 October 1916 |
| Regimental number from Nominal Roll | 2960A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Returned to Australia 8 January 1919 |
