| Regimental number | 23436 |
| Occupation | Farmer |
| Next of kin | Brother, P J Riordan, Springdon, Southland |
| Rank on embarkation | Rifleman |
| Unit name | New Zealand Rifle Brigade, 7th Reinforcements to 1st Battalion, E Company |
| Embarkation details | Unit embarked from Wellington on |
| Final rank | Rifleman |
| Final unit | 3rd Battalion, New Zealand Rifle Brigade |
| Fate | Died of wounds |
| Age at death from cemetery records | 29 |
| Place of burial | Etaples Military Cemetery (Plot VII, Row C, Grave No 1), France |
| Miscellaneous information from cemetery records | Parents: Patrick and Mary Riordan, Charing Cross, Canterbury |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |
| Sources | Nominal Roll Vol. 2: Roll 33, p. 28 |