| Regimental number | 37909 |
| Place of birth | Tenterfield New South Wales |
| Religion | Presbyterian |
| Occupation | Grazier |
| Address | 'Talofa', Richmond Avenue, Neutral Bay, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Alexander Ralston, 'Talofa', Richmond Avenue, Neutral Bay, Sydney, New South Wales |
| Previous military service | 18th Infantry |
| Enlistment date | 23 April 1917 |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade, Reinforcement 31 |
| AWM Embarkation Roll number | 13/128/2 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A15 Port Sydney on 5 November 1917 |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Returned to Australia 9 July 1918 |
| Family/military connections | Brothers: 37910 Driver William Archibald RALSTON, 10th Field Artillery Brigade, returned to Australia, 12 July 1919; 37908 Gunner David Kennedy RALSTON, 10th Field Artillery Brigade, effective abroad. |
