
| Regimental number | 3837 |
| Place of birth | Nymagee, New South Wales |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | 3 Ada Villa, Erskineville, New South Wales |
| Marital status | Single |
| Age at embarkation | 27 |
| Next of kin | Mother, Mrs Ellen McMahon, 67 King Street, Newtown, New South Wales |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 30th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/47/3 |
| Embarkation details | Unit embarked from Sydney, New South Wales, on board HMAT A68 Anchises on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 30th Battalion |
| Fate | Killed in Action |
| Age at death from cemetery records | 28 |
| Place of burial | Perth Cemetery (China Wall) (Plot I, Row J, Grave No. 15), Zillebeke, Belgium |
| Panel number, Roll of Honour, Australian War Memorial | 117 |
| Miscellaneous information from cemetery records | Parents: John and Ellen MCMAHON, 67 King Street, Newtown, New South Wales |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |