| Regimental number | 1279 |
| Place of birth | Adelaide South Australia |
| Religion | Church of England |
| Occupation | Printer |
| Address | 7 Clive Street, West Perth, Western Australia |
| Marital status | Single |
| Age at embarkation | 29 |
| Next of kin | Mrs Helen Hall, 7 Clive Street, West Perth, Western Australia |
| Enlistment date | 2 November 1914 |
| Rank on enlistment | Private |
| Unit name | Australian Stationary Hospital 2 |
| AWM Embarkation Roll number | 26/71/1 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board Transport A55 Kyarra on 14 December 1914 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 7th Field Ambulance |
| Fate | Returned to Australia 1 November 1917 |
| Miscellaneous details (Nominal Roll) | *Riordan spelt Roiden |
| Date of death | 18 December 1963 |
| Place of burial | Karrakatta Cemetery |
