| Regimental number | 2145 |
| Place of birth | Dungog New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Gordon Brook, Clarence River, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, R Hackett, Gordon Brook, Clarence River, New South Wales |
| Enlistment date | 24 March 1915 |
| Date of enlistment from Nominal Roll | 25 March 1915 |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/32/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A63 Karoola on 12 June 1915 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Returned to Australia 9 March 1919 |
| Family/military connections | Brother: 2146 2nd Corporal William Thomas HACKETT, Army provost Corps, returned to Australia, 3 July 1919. |
| Date of death | 17 October 1966 |
| Age at death | 76 |
| Place of burial | Ballina Cemetery, New South Wales |