| Regimental number | 2010 |
| Religion | Church of England |
| Occupation | Miner |
| Address | Cattle Creek, Mt Morgan, Queensland |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Mother, Mrs Mary O'Neill, Cattle Creek, Mt Morgan, Queensland |
| Previous military service | 5th ALH |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 47th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/64/3 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A46 Clan Macgillivray on |
| Regimental number from Nominal Roll | 2010A |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 47th Battalion |
| Fate | Returned to Australia |
| Age at death from cemetery records | 30 |
| Place of burial | Mount Morgan Cemetery (Plot AA, Grave No. 12), Queensland |
| Panel number, Roll of Honour, Australian War Memorial | 144 |
| Miscellaneous information from cemetery records | Parents: Patrick and Mary O'NEILL. Native of Rockhampton, Queensland |
| Family/military connections | Brother: 1931 Pte Frederick Charles O'NEILL, 47th Bn, returned to Australia, 26 September 1917. |