| Regimental number | 23/1101 |
| Address | Opunake |
| Marital status | Single |
| Next of kin | Father, John McCook Snr, Opunake, Taranaki |
| Rank on embarkation | Rifleman |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, New Zealand Rifle Brigade, 1st Battalion, D Company |
| Embarkation details | Unit embarked from Wellington on board Maunganui on |
| Miscellaneous details | Nominal Roll Vol. 1: D Company/1st NZRB |