| Regimental number | 3385 |
| Place of birth | Lake Bolac, Victoria |
| Religion | Methodist |
| Occupation | Public school teacher |
| Address | Dale Street, Port Adelaide, South Australia |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, W Leach, Dale Street, Port Adelaide, South Australia |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 10th Battalion, 11th Reinforcement |
| AWM Embarkation Roll number | 23/27/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A24 Benalla on |
| Regimental number from Nominal Roll | Commissioned |
| Rank from Nominal Roll | 2nd Lieutenant |
| Unit from Nominal Roll | 25th Battalion |
| Fate | Returned to Australia |
| Other details |
War service: Egypt, Western Front Commenced return to Australia, 4 May 1917. Medals: British War Medal, Victory Medal Also served in World War II: Service No S70281. |
| Date of death | |
| Age at death | 61 |
| Place of burial | Centennial Park Cemetery, Adelaide, South Australia |
| Sources | NAA: B2455, LEACH William Valentine |