| Regimental number | 875 |
| Place of birth | Clear Lake, Victoria |
| School | Clear Lake and Salt Lakes |
| Religion | Salvation Army |
| Occupation | Farmer |
| Address | Horsham, Victoria |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, James Flack, Walmer, Horsham, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 38th Battalion, C Company |
| AWM Embarkation Roll number | 23/55/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 38th Battalion |
| Fate | Killed in Action |
| Place of death or wounding | Between Bony and Le Catelet, France |
| Age at death | 29.10 |
| Age at death from cemetery records | 29 |
| Place of burial | Templeux-le-Guerard British Cemetery (Plot II, Row F, Grave No. 40), France |
| Panel number, Roll of Honour, Australian War Memorial | 129 |
| Miscellaneous information from cemetery records | Commemorated in Horsham Cemetery, Victoria. Parents: James (d. 25 April 1925, aged 71; bu. Horsham Cemetery) and Sarah Ann FLACK, Walmer, Horsham, Victoria |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
