| Regimental number | 2142 |
| Place of birth | Merriwa, New South Wales |
| School | Merriwa Public School, Merriwa, New South Wales |
| Religion | Church of England |
| Occupation | Shop assistant |
| Address | Merriwa via Muswellbrook, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 8.25" |
| Weight | 138 lbs |
| Next of kin | Father, W Hackett, Merriwa via Muswellbrook, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Liverpool, New South Wales |
| Rank on enlistment | Private |
| Unit name | 17th Battalion, 4th Reinforcement |
| AWM Embarkation Roll number | 23/34/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A8 Argyllshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 5th Machine Gun Company |
| Fate | Died of wounds |
| Place of burial | Brookwood Military Cemetery (Plot XI, Row B, Grave No. 8), Surrey, England |
| Panel number, Roll of Honour, Australian War Memorial | 178 |
| Miscellaneous information from cemetery records | Parents: W. and S. HACKETT, Bettington Street, Merriwa, New South Wales |
| Family/military connections | Brother: 4505 Pte Winfred Godfrey HACKETT, 54th Bn, returned to Australia, 31 July 1918; Cousin: 3434 Pte Albert Joseph SPRATT MM, Croix de Guerre, 53rd Bn, killed in action, 16 August 1918. |
| Other details |
War service: Egypt, Western Front Medals: 1914-15 Star, British War Medal, Victory Medal |
| Sources | NAA: B2455, HACKETT Roy |