| Regimental number | 3300 |
| Religion | Roman Catholic |
| Occupation | Labourer |
| Address | Brisbane, Queensland |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Brother, Michael Riordan, Imistyman, County Clare, Ireland |
| Enlistment date | |
| Date of enlistment from Nominal Roll | |
| Rank on enlistment | Private |
| Unit name | 25th Battalion, 7th Reinforcement |
| AWM Embarkation Roll number | 23/42/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A50 Itonus on |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 25th Battalion |
| Fate | Died of wounds |
| Age at death from cemetery records | 29 |
| Place of burial | Ration Farm Military Cemetery (Plot I, Row G, Grave NO. 12), La Chapelle d'Armentieres, France |
| Panel number, Roll of Honour, Australian War Memorial | 106 |
| Miscellaneous information from cemetery records | Parents: John and Johanna RIORDAN, Church Street, Ennistymon, County Clare, Ireland |
| Other details |
War service: Western Front Medals: British War Medal, Victory Medal |