| Regimental number | 3478 |
| Place of birth | Millfield, New South Wales |
| School | Millfield Public School, New South Wales |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Billbind via Cessnock, New South Wales |
| Marital status | Single |
| Age at embarkation | 24 |
| Next of kin | Father, Robert William Slack, Wollombi, New South Wales |
| Previous military service | Nil. |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 56th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/73/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 56th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Age at death | 25 |
| Age at death from cemetery records | 25 |
| Place of burial | Aubigny British Cemetery (Row C, Grave No. 15) (Somme), France |
| Panel number, Roll of Honour, Australian War Memorial | 163 |
| Miscellaneous information from cemetery records | Parents: Robert and Elizabeth SLACK, Maitland Road, Wollombi, New South Wales. Native of Millfield |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
