| Regimental number | 116 |
| Place of birth | Mount Barker South Australia |
| Religion | Roman Catholic |
| Occupation | Carpenter |
| Address | Mimosa Station, Queensland |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Father, Thomas O'Neill, Freeling, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 3rd Divisional Cyclist Company |
| AWM Embarkation Roll number | 12/6/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A64 Demosthenes on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 49th Battalion |
| Fate | Returned to Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | West Terrace Cemetery |