| Regimental number | 12001 |
| Place of birth | Thornleigh New South Wales |
| Religion | Congregational |
| Occupation | Clerk |
| Address | Thornleigh, New South Wales |
| Marital status | Single |
| Age at embarkation | 20 |
| Next of kin | Father, Edmund Lawless, Phyliss Avenue, Thornleigh, New South Wales |
| Previous military service | 18th Australian Army Medical Corps |
| Enlistment date | 22 November 1915 |
| Rank on enlistment | Private |
| Unit name | Field Ambulance 9, Section B |
| AWM Embarkation Roll number | 26/52/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A24 Benalla on 1 May 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 9th Field Ambulance |
| Fate | Returned to Australia 19 August 1919 |
| Miscellaneous details (Nominal Roll) | *Spelt Ernest Edmond Lawless on NR |