| Date of birth | |
| Place of birth | St Leonards New South Wales |
| Other Names | EATON, John Keith Labban |
| Religion | Presbyterian |
| Occupation | Timber merchant |
| Address | North Sydney, New South Wales |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, John W Eaton, 'Wahgunyah', Shirley Road, North Sydney, New South Wales |
| Previous military service | 18th Infantry |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Lieutenant |
| Unit name | Auxiliary Mechanical Transport Company 2, Section 1 |
| AWM Embarkation Roll number | 25/113/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A34 Persic on |
| Rank from Nominal Roll | Captain |
| Unit from Nominal Roll | 2nd Motor Transport Company |
| Promotions |
Captain Unit: ASC (Motor Transport) Promotion date: |
| Recommendations (Medals and Awards) |
Mention in Despatches Awarded, and promulgated, 'London Gazette' No. 31448 (11 July 1919); 'Commonwealth Gazette' No. 124 (30 October 1919). |
| Fate | Returned to Australia |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |