| Regimental number | 22234 |
| Occupation | Farm hand |
| Next of kin | Father, Francis Diack, William Street, South Invercargill |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 16th Reinforcement, J Company (Unattached) |
| Embarkation details | Unit embarked from Wellington on board Navua on |
| Family/military connections | Brother: 43030 William Edward DIACK |
| Sources | Nominal Roll Vol. 2: Roll 38, p. 19 |