| Regimental number | 19251 |
| Other Names | LACKEY, Leo Kirwan |
| Religion | Roman Catholic |
| Occupation | Clerk |
| Address | Ashfield, New South Wales |
| Age at embarkation | 21 |
| Next of kin | Father, Patrick Lackey, Hugh Street, Ashfield, New South Wales |
| Previous military service | Served in the 39th Infantry, Citizen Military Forces. |
| Enlistment date | 8 November 1916 |
| Rank on enlistment | Sapper |
| Unit name | Special Draft Reinforcements Signal Service (Egypt) |
| AWM Embarkation Roll number | 22/37/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A55 Kyarra on 3 September 1917 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | Signalling Service |
| Fate | Returned to Australia 28 June 1919 |
| Other details | Medals: British War Medal, Victory Medal |
