| Regimental number | 40 |
| Place of birth | Manly New South Wales |
| Religion | Congregational |
| Occupation | Clerk |
| Address | Lealholme, Boyle Street, Cremorne, New South Wales |
| Marital status | Single |
| Age at embarkation | 18 |
| Next of kin | Father, W G F Leask, Lealholme, Boyle Street, Cremorne, New South Wales |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 1st Light Horse Regiment, Headquarters |
| AWM Embarkation Roll number | 10/6/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A16 Star Of Victoria on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | Lieutenant |
| Unit from Nominal Roll | 11th Light Horse Regiment |
| Fate | Returned to Australia |
| Family/military connections | Brother: 1309 Pte Eric Graham LEASK, 30th Bn, killed in action, 20 July 1916. |
| Other details |
Medals: 1914-15 Star, British War Medal, Victory Medal |
Postal Address:
Po Box 7916
Canberra BC 2610, Australia
Street Address:
Northcott Drive,
Campbell, ACT 2600
