| Regimental number | 4661 |
| Place of birth | Melbourne, Victoria |
| Other Names | Harold Walton |
| Religion | Methodist |
| Occupation | Student |
| Address | 46 Davis Street, South Yarra, Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Height | 5' 3.75" |
| Weight | 104 lbs |
| Next of kin | Father, W J Barker, 46 Davis Street, South Yarra, Melbourne, Victoria |
| Previous military service | 4 years Senior Cadets, 6 months Citizens Forces |
| Enlistment date | 7 February 1916 |
| Date of enlistment from Nominal Roll | 25 January 1916 |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Private |
| Unit name | 22nd Battalion, 12th Reinforcement |
| AWM Embarkation Roll number | 23/39/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on 4 April 1916 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | A W R S |
| Fate | Returned to Australia 6 May 1920 |
| Discharge date | 1 July 1920 |
| Other details | Medals: British War Medal, Victory Medal |
