| Regimental number | 49695 |
| Occupation | Farmer |
| Next of kin | Brother, Arthur Herman Callesen, Longburn, Manawatu |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 26th Reinforcements (1st Draft), Auckland Infantry Regiment, A Company |
| Embarkation details | Unit embarked from Wellington on board HMNZT 85 Willochra on |
| Family/military connections | Brother: 50540 Gunner Arthur Herman CALLESEN. |
| Sources | Nominal Roll Vol. 3: Roll 66, p. 4 |