| Regimental number | 11762 |
| Place of birth | Townsville, Queensland |
| Religion | Church of England |
| Occupation | Insurance inspector |
| Address | Gleneira Road, Elsternwick, Victoria |
| Marital status | Married |
| Age at embarkation | 24 |
| Height | 5' 9.5" |
| Weight | 147 lbs |
| Next of kin | Wife, Mrs H F Lyall, Gleneira Road, Elsternwick, Victoria |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Melbourne, Victoria |
| Rank on enlistment | Gunner |
| Unit name | Field Artillery Brigade 2, Reinforcement 14 |
| AWM Embarkation Roll number | 13/30/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A32 Themistocles on |
| Rank from Nominal Roll | Corporal |
| Unit from Nominal Roll | 3rd Field Artillery Brigade |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Western Front Commenced return to Australia on board HT 'Port Denison', 25 March 1919; discharged (demobilised), Melbourne, 24 June 1919. Medals: British War Medal, Victory Medal Also served in World War II: Service No V15860. |
| Date of death | |
| Place of burial | Springvale Cemetery, Melbourne, Victoria |
| Sources | NAA: B884, LYALL William |