| Place of birth | South Yarra Victoria |
| Religion | Presbyterian |
| Occupation | Engineer |
| Address | 55 Kooyong Road, Armadale, Victoria |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Mother, Mrs C Sloss, 55 Kooyong Road, Armadale, Victoria |
| Enlistment date | |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | Machine Gun Company 10 |
| AWM Embarkation Roll number | 24/15/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A11 Ascanius on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 39th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 28 |
| Place of burial | Cite Bonjean Military Cemetery (Plot IV, Row C, Grave No. 16), Armentieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 179 |
| Miscellaneous information from cemetery records | Parents: James and Christina SLOSS, Nyora Street, East Malvern, Victoria |
| Family/military connections | Brothers: 11 Pte James McKenzie SLOSS MSM, Australian Flying Corps, returned to Australia, 15 November 1918; 8219 Lance Corporal John Stewart SLOSS, 2nd Australian General Hospital, returned to Australia, 19 April 1919; 124B Pte Roy SLOSS, 3rd Machine Gun Bn, returned to Australia, 8 July 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |