| Regimental number | 2/428 |
| Address | Prospect Terrace, Mount Eden, Auckland |
| Marital status | Single |
| Next of kin | Mrs T S Jacka, Prospect Terrace, Mount Eden, Auckland |
| Rank on embarkation | Driver |
| Enlistment status | Volunteer |
| Unit name | New Zealand Expeditionary Force, Main Body, New Zealand Field Artillery |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Sergeant |
| Final unit | 12th Battery, New Zealand Field Artillery |
| Fate | Killed in Action |
| Age at death from cemetery records | 24 |
| Place of burial | Ypres Reservoir Cemetery (Plot IV, Row C, Grave No 11), Belgium |
| Miscellaneous information from cemetery records | Parents: Thomas Samuel and Marion Jacka, Auckland |
| Family/military connections | Brothers: 12/3526 2nd Lt Frederick Clifton JACKA, 16th (Waikato) Company, 1st Battalion, Auckland Infantry Regiment, killed in action, 30 August 1918; 54883 Hubert Waters JACKA. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Nominal Roll Vol. 1: Field Artillery/Main Body |