| Regimental number | 6394 |
| Place of birth | Prahran Victoria |
| Other Names | Reginald Willima |
| Religion | Methodist |
| Occupation | Clerk |
| Address | 57 Albion Street, South Yarra, Victoria |
| Marital status | Single |
| Age at embarkation | 22 |
| Next of kin | Father, John Treloar, 57 Albion Street, South Yarra, Victoria |
| Enlistment date | 28 October 1916 |
| Date of enlistment from Nominal Roll | 14 October 1916 |
| Rank on enlistment | Private |
| Unit name | 21st Battalion, 18th Reinforcement |
| AWM Embarkation Roll number | 23/38/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A20 Hororata on 23 November 1916 |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | Australian Infantry Base Depot |
| Fate | Returned to Australia 22 August 1919 |
