| Regimental number | 3498 |
| Place of birth | Kalbar, Queensland |
| School | Templin State School, Queensland |
| Religion | Church of Christ |
| Occupation | Gardener |
| Address | Boonah via Ipswich, Queensland |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Brother, Thomas Simpkins, Boonah via Ipswich, Queensland |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 47th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/64/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A33 Ayrshire on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 47th Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brothers: 281 Pte James SIMPKINS, 41st Bn, returned to Australia, 23 June 1919; 6866 Pte Thomas Henry SIMPKINS, 49th Bn, returned to Australia, 15 September 1918 |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Miscellaneous details | b. Englesburg (now Kalbar), Qld 7 December 1898 |
| Date of death | |
| Age at death | 37 |
| Place of burial | Brisbane Crematorium, Queensland |