| Regimental number | 26371 |
| Place of birth | Nambucca River, New South Wales |
| School | Public School |
| Religion | Presbyterian |
| Occupation | Farmer |
| Address | 62 Thompson Street, Darlinghurst, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 33 |
| Next of kin | Brother, A Jophnston, 62 Thompson Street, Darlinghurst, Sydney, New South Wales |
| Enlistment date | |
| Rank on enlistment | Driver |
| Unit name | Reinforcement 8 |
| AWM Embarkation Roll number | 13/33/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A47 Mashobra on |
| Rank from Nominal Roll | Gunner |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Died of disease |
| Place of death or wounding | XI Casualty Clearing Station |
| Age at death | 32 |
| Age at death from cemetery records | 35 |
| Place of burial | Godewaersvelde British Cemetery (Plot I, Row M, Grave No. 17), France |
| Panel number, Roll of Honour, Australian War Memorial | 12 |
| Miscellaneous information from cemetery records | Parents: George and Eliza JOHNSTON. Native of Nambucca River, New South Wales |
| Family/military connections | Ivan McIves (Cousin), Leighton Johnston (Cousin) |