| Regimental number | 1856 |
| Religion | Church of England |
| Occupation | Farmer |
| Address | Queen Street PO, Queen Street, Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 26 |
| Next of kin | Brother, Joseph J Leighton, Alberton, South Gippsland, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 39th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/56/2 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board RMS Orontes on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 1st Australian Dermatological Hospital |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Plaque in Victorian Garden of Remembrance |
| Family/military connections | Brothers: 2181 Pte Arthur Phillip LEIGHTON, 32nd Bn, returned to Australia, 8 May 1919; 1857 Pte Valentine Hastings Thomas LEIGHTON, 10th Light Trench Mortar Battery, returned to Australia, 22 July 1919. |
| Date of death |