| Regimental number | 1671 |
| Place of birth | Wedderburn, Victoria |
| Other Names | Leonard Steward |
| Religion | Presbyterian |
| Occupation | Accountant |
| Address | 'Pyrmont', Albany, Western Australia |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Father, Thomas Hinton Barnett, 'Pyrmont', Albany, Western Australia |
| Enlistment date | 24 June 1915 |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, 2nd Reinforcement |
| AWM Embarkation Roll number | 23/45/2 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A64 Demosthenes on 23 July 1915 |
| Regimental number from Nominal Roll | 8782A |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | Army Service Corps |
| Fate | Returned to Australia 19 April 1919 |