| Regimental number | 720 |
| Place of birth | Wallaroo South Australia |
| Religion | Church of England |
| Occupation | Driller |
| Address | Port Pirie, South Australia |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, G J Middleton, Port Pirie, South Australia |
| Enlistment date | 9 February 1917 |
| Date of enlistment from Nominal Roll | 12 February 1917 |
| Rank on enlistment | Private |
| Unit name | Machine Gun Company 8, Reinforcement 13 |
| AWM Embarkation Roll number | 24/13/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A29 Suevic on 21 June 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 48th Battalion |
| Fate | Returned to Australia 22 September 1919 |
| Family/military connections | Brother: R1032 Mervyn M B Middleton, 8th Machine Gun Company |