| Date of birth | |
| Place of birth | Aberdeen, New South Wales |
| School | Grammar School, Singleton, New South Wales |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | 'Guildawn', Casino, New South Wales |
| Marital status | Married |
| Age at embarkation | 50 |
| Next of kin | Wife, Mrs (Etty Rankin) E R Johnston, 'Guildawn', Casino, New South Wales |
| Previous military service | Served in the Boer War, 1899-1902. |
| Enlistment date | |
| Rank on enlistment | Major |
| Unit name | 5th Light Horse Regiment, B Squadron |
| AWM Embarkation Roll number | 10/10/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Major |
| Promotions |
Major Unit: 5th Light Horse Regiment Promotion date: |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette', Supplement, No 29845 (1 December 1916); 'Commonwealth Gazette' No. 62 (19 April 1917). |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Middle East Embarked from Australia, 21 December 1914. Wounded in action, Dueidar, 9 August 1916. Returned to Australia and appointment terminated, 18 October 1916. Re-embarked from Australia, 16 October 1918, as OC, 6th and 7th Reinforcements (Egypt). Appointment terminated, 11 February 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |
| Date of death | |
| Age at death | 72 |