| Regimental number | 12/3955 |
| Occupation | Bushman |
| Next of kin | Father, John Callaghan, Raukokore, Bay of Plenty |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 10th Reinforcements, Auckland Infantry Battalion, A Company |
| Embarkation details | Unit embarked from Wellington on 4 March 1916 |
| The Infantry component of the 10th Reinforcements left New Zealand on board two ships ('Willochra' and 'Tofua'). It is not possible from the Nominal Roll to determine on which ship an individual embarked. The Nominal Roll gives 5 March 1916 as the date of embarkation; harbour records indicate 5 March 1916 as the actual date of departure. |
| Family/military connections | Brother: 19617 John Tikirau CALLAGHAN |
| Sources | Nominal Roll Vol. 2: Roll 26, p. 7 |
