| Regimental number | 7033 |
| Place of birth | Brisbane Queensland |
| Religion | Roman Catholic |
| Occupation | Packer |
| Address | Albion, Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Mother, Mrs A O'Neil, Grove Street, Albion, Brisbane, Queensland |
| Enlistment date | 24 September 1916 |
| Rank on enlistment | Private |
| Unit name | 9th Battalion, 23rd Reinforcement |
| AWM Embarkation Roll number | 23/26/4 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A55 Kyarra on 17 November 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Battalion |
| Fate | Returned to Australia 22 July 1917 |
| Family/military connections | Brother: 7034 Pte John James O'NEIL, 9th Bn, returned to Australia, 3 January 1919. |
