| Regimental number | 1186 |
| Place of birth | Echuca Victoria |
| Religion | Presbyterian |
| Occupation | Motor driver instructor |
| Address | 56 Rowe Street, Armadale, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, D.J.; Joss, 56 Rowe Street, Armadale, Victoria |
| Enlistment date | 9 June 1915 |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, 8th Reinforcement |
| AWM Embarkation Roll number | 10/9/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A55 Kyarra on 20 August 1915 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 2nd DTMB |
| Fate | Returned to Australia 5 April 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Callum Sinclair Joss on NR |
