| Regimental number | 660 |
| Place of birth | Windsor, New South Wales |
| Other Names | DINNING, Leslie Laughlan |
| Religion | Methodist |
| Occupation | Teacher |
| Address | Tyrone Street, Lindfield, New South Wales |
| Marital status | Single |
| Age at embarkation | 21 |
| Height | 5' 5" |
| Weight | 128 lbs |
| Next of kin | Rev B Dinning, Tyrone Street, Lindfield, New South Wales |
| Previous military service | Nil |
| Enlistment date | |
| Place of enlistment | Randwick, New South Wales |
| Rank on enlistment | Private |
| Unit name | 1st Battalion, E Company |
| AWM Embarkation Roll number | 23/18/1 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board Transport A19 Afric on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 1st Battalion |
| Fate | Returned to Australia |
| Discharge date | |
| Other details |
War service: Egypt, Gallipoli, Western Front Commenced return to Australia on board HS 'Karoola', 23 July 1918; disembarked Melbourne, 6 September 1918, for onward travel to Sydney; discharged (medically unfit: gun shot wound, chest), Sydney, 6 April 1920. |
| Miscellaneous details | Second given name entered on Embarkation Roll as Langlow. |
| Date of death | |
| Sources | NAA: B2455, DINNING Leslie Langham |