
| Regimental number | 719 |
| Place of birth | Melbourne, Victoria |
| Other Names | Horace William Blair Leo |
| Religion | Roman Catholic |
| Occupation | Assayer |
| Address | Great Boulder Hotel, Kalgoorlie, Western Australia |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | R D Thompson, 'Induna', Cintra Avenue, East St Kilda, Victoria |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Place of enlistment | Blackboy Hill, Western Australia |
| Rank on enlistment | Lance Corporal |
| Unit name | 11th Battalion, F Company |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A11 Ascanius on |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 11th Battalion |
| Fate | Killed in Action |
| Place of burial | Courtney's and Steel's Post Cemetery (Special Memorial No. 55), Gallipoli, Turkey |
| Panel number, Roll of Honour, Australian War Memorial | 64 |
| Other details |
War service: Egypt, Gallipoli Medals: 1914-15 Star, British War Medal, Victory Medal |