| Place of birth | Terang Victoria |
| Religion | Presbyterian |
| Occupation | Law student |
| Address | Pine View, The Sisters, Terang, Victoria |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, John McLennan, Pine View, The Sisters, Terang, Victoria |
| Enlistment date | 4 January 1915 |
| Rank on enlistment | 2nd Lieutenant |
| Unit name | 22nd Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/39/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A64 Demosthenes on 16 July 1915 |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | 22nd Battalion |
| Fate | Returned to Australia 5 March 1919 |