| Regimental number | 5727 |
| Place of birth | Collingwood, Victoria |
| School | Christian Brothers School, Abbotsford, Victoria |
| Religion | Roman Catholic |
| Occupation | Tram employee |
| Address | 7 Hunter Street, Abbotsford, Victoria |
| Marital status | Single |
| Age at embarkation | 31 |
| Next of kin | Mother, Mrs R Mahon, Studley House, Studley Park Road, Kew, Victoria |
| Enlistment date | |
| Rank on enlistment | Private |
| Unit name | 5th Battalion, 17th Reinforcement |
| AWM Embarkation Roll number | 23/22/3 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A14 Euripides on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 1st Pioneer Battalion |
| Fate | Killed in Action |
| Age at death | 32 |
| Age at death from cemetery records | 32 |
| Place of burial | Courcelette British Cemetery (Plot II, Row D, Grave No. 16), France |
| Panel number, Roll of Honour, Australian War Memorial | 171 |
| Miscellaneous information from cemetery records | Parents: James and Rosa MAHON; husband of Mrs F.A. MAHON, 29 Weston Street, Brunswick, Victoria. Native of Collingwood |
| Family/military connections | Cousin: W L SMITH, died of wounds 5 October 1917. |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |