| Regimental number | 62579 |
| Place of birth | Broken Hill New South Wales |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | North Adelaide, South Australia |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, J T Mellish, 4 Kermode Street, North Adelaide, South Australia |
| Previous military service | 48th Infantry |
| Enlistment date | 5 April 1918 |
| Rank on enlistment | Private |
| Unit name | 6th General Service Reinforcements |
| AWM Embarkation Roll number | 23/111/4 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A36 Boonah on 22 October 1918 |
| Rank from Nominal Roll | Private |