| Regimental number | 13 |
| Religion | Church of England |
| Occupation | Baker |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | George Joseph Hammans, West Green Road, Tottenham, London, England |
| Enlistment date | |
| Rank on enlistment | PTE (AAMC) |
| Unit name | 15th Battalion, Headquarters |
| AWM Embarkation Roll number | 23/32/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board Transport A40 Ceramic on |
| Rank from Nominal Roll | Lance Corporal |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Given name John Leonard |
| Miscellaneous information from cemetery records | Plaque in Queensland Garden of Remembrance |
| Date of death |