| Regimental number | 6528 |
| Place of birth | Bowral, New South Wales |
| Other Names | William Augustus |
| Religion | Church of England |
| Occupation | Stockkeeper |
| Address | 96 Elizabeth Street, Zetland, New South Wales |
| Marital status | Married |
| Age at embarkation | 25 |
| Next of kin | Wife, Mrs H.M. Hackney, 7 Parramatta Road, Summer Hill, New South Wales |
| Previous military service | Scottish Rifles |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 13th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/30/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A40 Ceramic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 13th Battalion |
| Fate | Died of disease |
| Place of burial | Abbeville Communal Cemetery Extension (Plot V, Row D, Grave No. 40), France |
| Panel number, Roll of Honour, Australian War Memorial | 69 |
| Miscellaneous information from cemetery records | Parents: Alexander and Mary HACKNEY; husband of Haidee HACKNEY, 7 Parramatta Road, Summer Hill, Sydney. Native of Sydney |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |