| Regimental number | 6310 |
| Place of birth | Tapanui, New Zealand |
| Religion | Presbyterian |
| Occupation | Commercial traveller |
| Address | Manly, New South Wales |
| Marital status | Single |
| Age at embarkation | 30 |
| Next of kin | Father, M Gillies, 86 Jenkin Street, Northcote, Victoria |
| Enlistment date | |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | 17th Battalion, 18th Reinforcement |
| AWM Embarkation Roll number | 23/34/4 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A29 Suevic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 17th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Stated to be William James Gillies on NR |
| Family/military connections | Brother: Lt Abraham Murdoch GILLIES, 5th Bn, returned to Australia, 12 December 1918. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Fawkner Cemetery |