| Regimental number | 3879 |
| Place of birth | Timmering, Victoria |
| School | Timmering East State School No 2177, Victoria |
| Religion | Church of England |
| Occupation | Farmer |
| Address | French Park via The Rock, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, S Sly, French Park via The Rock, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 20th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/37/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 20th Battalion |
| Fate | Died of wounds |
| Age at death | 26.6 |
| Age at death from cemetery records | 21 |
| Place of burial | Puchevillers British Cemetery (Plot III, Row f, Grave No. 2), France |
| Panel number, Roll of Honour, Australian War Memorial | 92 |
| Miscellaneous information from cemetery records | Commemorated on Timmering East State School Roll of Honor. Parents: Samuel and Margaret SLY, French Park, New South Wales |
| Family/military connections | Brother: R314 Lance Corporal Herbert Henry SLY, 46th Bn, returned to Australia, 1 August 1919; First Cousin: 6268 Pte Alexander Stewart FRASER, 7th Bn, killed in action, 23 April 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |