| Regimental number | 10340 |
| Place of birth | Ballarat Victoria |
| Religion | Church of England |
| Occupation | Labourer |
| Address | Ballarat East, Victoria |
| Marital status | Single |
| Age at embarkation | 28 |
| Next of kin | Father, R Trahar, 6 James Street, Ballarat East, Victoria |
| Enlistment date | 3 April 1916 |
| Rank on enlistment | Private |
| Unit name | Army Medical Corps, April 1916 Reinforcements |
| AWM Embarkation Roll number | 26/99/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on 4 April 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Australian Army Medical Corps Details |
| Fate | Returned to Australia 16 October 1916 |
| Family/military connections | Brother: 9750 Pte Ernest Alexander TRAHAR, 13th Field Ambulance, returned to Australia, 17 December 1916. |