| Other Names | Laurence Brex |
| Religion | Church of England |
| Occupation | Dentist |
| Address | Rose Park, South Australia |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Mother, Mrs A A Day, Watson Avenue, Rose Park, South Australia |
| Previous military service | Australian Army Medical Corps Res |
| Enlistment date | 14 July 1915 |
| Rank on enlistment | HON LT |
| Unit name | Dental Details |
| AWM Embarkation Roll number | 26/105/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A67 Orsova on 17 July 1915 |
| Rank from Nominal Roll | Major |
| Unit from Nominal Roll | Dental Corps |
| Fate | Discharged 15 December 1918 |
