| Regimental number | 22507 |
| Occupation | Road contractor |
| Next of kin | Brother, D O'Reilly, Rakaia, Canterbury |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 16th Reinforcements, Wellington Infantry Battalion, B Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 62 Mokoia on |
| Final rank | Private |
| Final unit | 1st Battalion, Wellington Infantry Regiment |
| Fate | Died of wounds |
| Place of burial | Longuesse Souvenir Cemetery (Plot IV, Row F, Grave No 20), St Omer, France |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 38, p. 11 |