| Regimental number | 10/3931 |
| Occupation | Farmer |
| Next of kin | Brother, Arthur Garnet Langdon, c/o G. Gould, Hawera |
| Rank on embarkation | Private |
| Unit name | New Zealand Expeditionary Force, 10th Reinforcements, Wellington Infantry Battalion, B Company |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Private |
| Final unit | 2nd Battalion, Wellington Infantry Regiment |
| Fate | Killed in Action |
| Place of death or wounding | France |
| Place of burial | Caterpillar Valley Cemetery (Plot XI, Row D, Grave No 7), Longueval, France |
| Miscellaneous information from cemetery records | Father: Mr W. Langdon, Wanganui |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 26, p. 12 |