| Regimental number | 61370 |
| Other Names | O'NEIL, John Arthur |
| Occupation | Farmer |
| Next of kin | Father, J O'Neil, East Gore |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 31st Reinforcements, Auckland Infantry Regiment, A Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 97 Tahiti on |
| Final rank | Private |
| Final unit | 2nd Battalion, Auckland Infantry Regiment |
| Fate | Died of wounds |
| Age at death from cemetery records | 22 |
| Place of burial | Abbeville Communal Cemetery Extension (Plot IV, Row F, Grave no 1), France |
| Miscellaneous information from cemetery records | Parents: John and Bridget O'Neill, Nelson Street, Gore |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 75, p. 6 |