| Regimental number | 133 |
| Place of birth | Melbourne, Victoria |
| Religion | Presbyterian |
| Occupation | Bookkeeper |
| Address | 14 Appleton Street, Richmond, Victoria |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Mrs Emma M Baldwin, Osmond House, Norwood, South Australia |
| Enlistment date | 7 April 1915 |
| Date of enlistment from Nominal Roll | 7 April 1915 |
| Rank on enlistment | Corporal |
| Unit name | 24th Battalion, A Company |
| AWM Embarkation Roll number | 23/41/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on 10 May 1915 |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 24th Battalion |
| Fate | Returned to Australia 4 November 1915 |
| Family/military connections | Brother: [544] 2nd Lt Cecil William BALDWIN, 40th Bn, returned to Australia, 10 March 1918. |
| Date of death | 8 September 1956 |
| Place of burial | Berwick Cemetery |