| Regimental number | 42173 |
| Occupation | Farmer |
| Next of kin | Father, David James O'Carroll, Kopuarahi via Turua |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 23rd Reinforcements, E Company (Unattached) |
| Embarkation details | Unit embarked from Wellington on board HMNZT Corinthic on |
| Sources | Nominal Roll Vol. 3: Roll 57, p. 18 |