| Regimental number | 22805 |
| Occupation | Baker |
| Next of kin | Mother, Mrs J R Jack, 58 Ferguson Street, Palmerston North |
| Rank on embarkation | Corporal |
| Unit name | New Zealand Rifle Brigade, 7th Reinforcements to 2nd Battalion, F Company |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Private |
| Final unit | 2nd Battalion, Otago Infantry Regiment |
| Fate | Killed in Action |
| Age at death from cemetery records | 33 |
| Place of burial | No known grave |
| Commemoration details | Caterpillar Valley (New Zealand) Memorial, Longueval, France |
| Miscellaneous information from cemetery records | Parents: I.R. and Minnie Montague Jack, 111 Ferguson Street, Palmerston North. Native of Invercargill, Southland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 33, p. 29 |