| Regimental number | 2206 |
| Place of birth | Cooma New South Wales |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Dry Plain, Cooma, New South Wales |
| Marital status | Single |
| Age at embarkation | 41 |
| Next of kin | Father, Simon O'Neill, Dry Plain, Cooma, New South Wales |
| Enlistment date | 16 January 1916 |
| Rank on enlistment | Private |
| Unit name | 55th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/72/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on 4 September 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Division Train |
| Fate | Returned to Australia 20 July 1919 |