| Regimental number | 12263 |
| Place of birth | Ballarat, Victoria |
| Religion | Church of England |
| Occupation | Telegraph operator |
| Address | 706 Dana Street, Ballarat, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Mother, Mrs S R Coldwell-Smith, 706 Dana Street, Ballarat, Victoria |
| Previous military service | 63rd Infantry |
| Enlistment date | |
| Rank on enlistment | Corporal |
| Unit name | Field Ambulance 10 |
| AWM Embarkation Roll number | 26/53/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A54 Runic on |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 3rd Machine Gun Battalion |
| Fate | Returned to Australia |
| Family/military connections | Brother: Captain Frederick Lawrence COLDWELL-SMITH, 32nd Bn, returned to Australia, 30 October 1919. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |