| Regimental number | 2621 |
| Place of birth | Sydney New South Wales |
| Religion | Roman Catholic |
| Occupation | Musician |
| Address | Cristy Street, St Leonards, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, James O'Mara, Cristy Street, St Leonards, Sydney, New South Wales |
| Enlistment date | 4 October 1916 |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, 5th Reinforcement |
| AWM Embarkation Roll number | 23/56/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A24 Benalla on 9 November 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Returned to Australia 11 May 1919 |
| Date of death | 30 March 1954 |
| Place of burial | Rookwood Necropolis |
