| Regimental number | 644 |
| Date of birth | |
| Place of birth | Renfrew, Scotland |
| Religion | Protestant |
| Occupation | Shipwright |
| Address | Newrybar, New South Wales |
| Marital status | Single |
| Age at embarkation | 27.4 |
| Height | 5' 5.5" |
| Weight | 122 lbs |
| Next of kin | Father, William Chalmers, 45 Orchard Street, Renfrew, Scotland |
| Previous military service | Served for 6 years in the Argyll & Sutherland Regiment, Territorial Force. |
| Enlistment date | |
| Place of enlistment | Lismore, New South Wales |
| Rank on enlistment | Driver |
| Unit name | 9th Battalion, F Company |
| AWM Embarkation Roll number | 23/26/1 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board Transport A5 Omrah on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 9th Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HT 'Port Sydney', 8 October 1918; discharged (medically unfit), Brisbane, 3 February 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Miscellaneous details | Address incorrectly entered on Embarkation Roll as Newry Bar. |
| Date of death | |
| Place of burial | Lismore Cemetery, New South Wales |
| Sources | NAA: B2455, CHALMERS William |