| Regimental number | 6423 |
| Place of birth | Buckhaven Scotland |
| Religion | Presbyterian |
| Occupation | Electrical engineer |
| Address | South Port, Queensland |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Brother, Redvers Darcy Gillespie, Wandal Street, Rockhampton, Queensland |
| Enlistment date | 8 August 1916 |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, 18th Reinforcement |
| AWM Embarkation Roll number | 23/42/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A64 Demosthenes on 23 December 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Returned to Australia 12 May 1919 |