| Regimental number | 309A |
| Place of birth | Deniliquin New South Wales |
| Religion | Presbyterian |
| Occupation | Clerk |
| Address | Gunnedah, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Thomas C Gillies, Shire Engineer, Gunnedah, New South Wales |
| Enlistment date | 22 August 1914 |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, Headquarters |
| AWM Embarkation Roll number | 10/6/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A16 Star Of Victoria on 20 October 1914 |
| Regimental number from Nominal Roll | 309 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Light Horse Regiment |
| Fate | Returned to Australia 3 February 1915 |
| Family/military connections | Brother: 7382 Gunner Thomas Fletcher GILLIES, 5th Field Artillery Brigade, returned to Australia, 27 April 1919. |