| Regimental number | 12488 |
| Place of birth | Bathurst, New South Wales |
| Religion | Methodist |
| Occupation | Baker |
| Address | 234 William Street, Bathurst, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 6.75" |
| Weight | 140 lbs |
| Next of kin | Father, W Gillespie, 234 William Street, Bathurst, New South Wales |
| Enlistment date | 16 June 1916 |
| Place of enlistment | Sydney, New South Wales |
| Rank on enlistment | Private |
| Unit name | Army Service Corps Reinforcement 20 |
| AWM Embarkation Roll number | 25/105/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A28 Miltiades on 2 August 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Field Bakery |
| Fate | Returned to Australia 4 July 1919 |
| Sources | NAA: B2455, GILLESPIE William John |
