| Regimental number | 3024 |
| Place of birth | Melbourne, Victoria |
| Religion | Presbyterian |
| Occupation | Letter carrier |
| Address | West Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, Andrew Boag, 3 Thistle Street, Brunswick, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 44th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/61/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 44th Battalion |
| Fate | Returned to Australia |
| Miscellaneous details (Nominal Roll) | *Given name Leslie William |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Date of death | |
| Place of burial | Karrakatta Cemetery |