| Regimental number | 8219 |
| Place of birth | South Yarra Victoria |
| Religion | Presbyterian |
| Occupation | Salesman |
| Address | 55 Kooyong Road, Armadale, Victoria |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, C Sloss, 55 Kooyong Road, Armadale, Victoria |
| Enlistment date | 6 August 1915 |
| Date of enlistment from Nominal Roll | 2 August 1915 |
| Rank on enlistment | Private |
| Unit name | 2nd Australian General Hospital, Special Reinforcements |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A55 Kyarra on 16 August 1915 |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 2nd Australian General Hospital |
| Fate | Returned to Australia 19 April 1919 |
| Family/military connections | Brothers: Lt Bruce SLOSS, 39th Bn, killed in action, 4 January 1917; 11 Pte James McKenzie SLOSS MSM, Australian Flying Corps, returned to Australia, 15 November 1918; 124B Pte Roy SLOSS, 3rd Machine Gun Bn, returned to Australia, 8 July 1919. |