| Regimental number | 43602 |
| Occupation | Saddler |
| Next of kin | Wife, Mrs J McMahon, 62 Ellice Street, Wellington |
| Rank on embarkation | Gunner |
| Unit name | New Zealand Expeditionary Force, 23rd Reinforcements, New Zealand Field Artillery |
| Embarkation details | Unit embarked from Wellington on board HMNZT Corinthic on |
| Final rank | Saddler |
| Final unit | Divisional Ammunition Column, New Zealand Field Artillery |
| Fate | Killed in Action |
| Place of burial | Divisional Cemetery (Row K, Grave No 3), near Ieper, Belgium |
| Miscellaneous information from cemetery records | Parents: Patrick and Catherine McMahon, Wellington; Wife: Elizabeth McMahon, Eliot Street, New Plymouth, Auckland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 3: Roll 57, p. 23 |