| Regimental number | 27572 |
| Occupation | Postal official |
| Next of kin | Father, James O'Neill, 104 Elgin Road Mornington Dunedin |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 17th Reinforcements, Otago Infantry Battalion, D Company |
| Embarkation details | Unit embarked from Wellington on board Pakeha on |
| Sources | Nominal Roll Vol. 2: Roll 41, p. 16 |