| Regimental number | 7261 |
| Place of birth | Croydon New South Wales |
| Religion | Methodist |
| Occupation | Electrical engineer |
| Address | Ashfield, New South Wales |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, C Woolnough, 'Surviton', Milton Street, Ashfield, New South Wales |
| Enlistment date | 11 April 1917 |
| Rank on enlistment | Sapper |
| Unit name | Tunnelling Companies, March 1917 Reinforcements |
| AWM Embarkation Roll number | 16/15/3 |
| Embarkation details | Unit embarked from Melbourne, Vic, on board HMAT A32 Themistocles on 4 August 1917 |
| Rank from Nominal Roll | Sapper |
| Unit from Nominal Roll | Australian Electrical & Mechanical Mining Company |
| Fate | Returned to Australia 16 June 1919 |
| Miscellaneous details (Nominal Roll) | *Given name John Leslie |