| Regimental number | 3943 |
| Place of birth | Euroa Victoria |
| Religion | Church of England |
| Occupation | Farm labourer |
| Address | Euroa PO, Victoria |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, D Johnston, Euroa PO, Victoria |
| Enlistment date | 16 July 1917 |
| Date of enlistment from Nominal Roll | 19 February 1917 |
| Rank on enlistment | Private |
| Unit name | 4th Light Horse Regiment, 31st Reinforcement |
| AWM Embarkation Roll number | 10/9/4 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Ormonde on 7 March 1918 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A38 Ulysses on 22 December 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 4th Machine Gun Squadron |
| Fate | Returned to Australia 24 July 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Allen Johnston on NR |
