| Regimental number | 1571 |
| Date of birth | |
| Place of birth | Semaphore, South Australia |
| School | Le Fevres Peninsula Public School, South Australia |
| Religion | Church of England |
| Occupation | Farm hand |
| Address | Nelson Street, Semaphore, South Australia |
| Marital status | Single |
| Age at embarkation | 23 |
| Next of kin | Mother, Mrs. Margaret Lyall, Nelson Street, Semaphore, South Australia |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 9th Light Horse Regiment, 12th Reinforcement |
| AWM Embarkation Roll number | 10/14/3 |
| Embarkation details | Unit embarked from Adelaide, South Australia, on board HMAT A2 Geelong on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 13th Field Artillery Brigade |
| Fate | Returned to Australia |
| Discharge date | |
| Family/military connections | Brothers: 1820 Pte Alfred Ernest LYALL, 27th Bn, killed in action, 10 October 1916; 4216 Pte Kenneth Malcolm LYALL, 50th Bn, returned to Australia, 21 December 1917. |
| Other details |
War service: Egypt, Western Front Wounded in action; invalided to England; recovered and returned to duty. Commeced return to Australia, 22 May 1919; discharged, 9 September 1919. Medals: 1914-15 Star, British War Medal, Victory Medal |