| Other Names | MACKAY, E R~ |
| Religion | Presbyterian |
| Occupation | Medical practitioner |
| Address | c/o Bank of Victoria, Warrnambool, Victoria |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Father, D Mackay, c/o Bank of Victoria, Warrnambool, Victoria |
| Enlistment date | 15 June 1915 |
| Rank on enlistment | Captain |
| Unit name | |
| AWM Embarkation Roll number | 26/84/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A67 Orsova on 17 July 1915 |
| Fate | No details of fate entered on Nominal Roll |
