| Regimental number | 59299 |
| Place of birth | Wattle Flat New South Wales |
| Religion | Methodist |
| Occupation | Farmer |
| Address | Coonamble, New South Wales |
| Marital status | Single |
| Age at embarkation | 32 |
| Next of kin | Father, A Colwell, Colrose, Coonamble, New South Wales |
| Enlistment date | 18 December 1917 |
| Rank on enlistment | Private |
| Unit name | New South Wales Reinforcement 12 |
| AWM Embarkation Roll number | 23/111/5 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A30 Borda on 17 July 1918 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 12th General Service Reinforcements |
| Fate | Returned to Australia 4 December 1918 |
| Family/military connections | Brother: 6000 Pte Major Austin COLWELL, 13th Bn, died of disease, 15 October 1916. |