| Regimental number | 2852 |
| Place of birth | Armidale New South Wales |
| Religion | Church of England |
| Occupation | Professional |
| Address | 32 Wimble Street, Parkville, Victoria |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Father, George Chalmers, 32 Wimble Street, Parkville, Victoria |
| Enlistment date | 2 August 1915 |
| Date of enlistment from Nominal Roll | 27 July 1915 |
| Rank on enlistment | Private |
| Unit name | 23rd Battalion, 6th Reinforcement |
| AWM Embarkation Roll number | 23/40/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on 27 October 1915 |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 58th Battalion |
| Fate | Returned to Australia 13 February 1917 |
| Family/military connections | Brother: 846 Lt Ernest Arthur CHALMERS, 38th Bn, returned to Australia, 23 July 1919. |