| Regimental number | 2/2591 |
| Occupation | Clerk |
| Next of kin | Mother, Mrs J Callaghan, 557 Devon Street East, New Plymouth, Taranaki |
| Rank on embarkation | Gunner |
| Unit name | New Zealand Expeditionary Force, 9th Reinforcements, New Zealand Field Artillery |
| Embarkation details | Unit embarked from Wellington on board SS Maunganui on |
| Family/military connections | Brother: 62440 Arthur Henry CALLAGHAN |
| Sources | Nominal Roll Vol. 2: Roll 21, p. 33 |