| Regimental number | 1989 |
| Place of birth | Dumfries Scotland |
| Religion | Methodist |
| Occupation | Dairyman |
| Address | Glen Forbes South PO, Glen Forbes South, Victoria |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, John Young, 30 St Michael Street, Dumfries, Scotland |
| Enlistment date | 27 January 1916 |
| Rank on enlistment | Private |
| Unit name | 58th Battalion, 3rd Reinforcement |
| AWM Embarkation Roll number | 23/75/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A31 Ajana on 8 July 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Returned to Australia 25 February 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Jack Lennox Young on NR |