| Regimental number | 424 |
| Place of birth | Stone Hut, South Australia |
| Religion | Methodist |
| Occupation | Labourer |
| Address | Stone Hut, South Australia |
| Marital status | Single |
| Age at embarkation | 20.9 |
| Height | 5' 9.5" |
| Weight | 159 lbs |
| Next of kin | Mother, Mrs Mary Ann Baker, Stone Hut, South Australia |
| Previous military service | Nil |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Port Pirie, South Australia |
| Rank on enlistment | Private |
| Unit name | 43rd Battalion, C Company |
| AWM Embarkation Roll number | 23/60/1 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A19 Afric on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 43rd Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brother: 13 Pte William Robert BAKER, 13th Bn, killed in action, 27 August 1915. |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Port Denison', 25 March 1919; discharged (termination of period of enlistment), Adelaide, 22 June 1919. Medals: British War Medal, Victory Medal |
| Sources | NAA: B2455, BAKER Roy |