| Place of birth | Tallangatta Victoria |
| Religion | Presbyterian |
| Occupation | Dental surgeon |
| Address | 239 Bank Street, South Melbourne, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, Dr Johnstone Thwaites, 239 Bank Street, South Melbourne, Victoria |
| Enlistment date | 1 April 1916 |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 22nd Battalion, 14th Reinforcement |
| AWM Embarkation Roll number | 23/39/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on 28 July 1916 |
| Miscellaneous details (Nominal Roll) | Name does not appear on Nominal Roll |