| Regimental number | 3926 |
| Place of birth | Lancashire, England |
| Religion | Church of England |
| Occupation | Boilermaker's assistant |
| Address | Midland Junction, Western Australia |
| Marital status | Married |
| Age at embarkation | 27 |
| Height | 5' 9.5" |
| Weight | 136 lbs |
| Next of kin | Wife, Mrs Zillah Riley, Sayer Street, Midland Junction, Western Australia |
| Previous military service | 3 years N.7.A Territorial Forces |
| Enlistment date | |
| Place of enlistment | Perth, Western Australia |
| Rank on enlistment | Private |
| Unit name | 28th Battalion, 9th Reinforcement |
| AWM Embarkation Roll number | 23/45/3 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board HMAT A28 Miltiades on |
| Rank from Nominal Roll | Sergeant |
| Unit from Nominal Roll | 51st Battalion |
| Fate | Returned to Australia |
| Miscellaneous information from cemetery records | Parents: William and Elizabeth RILEY |
| Discharge date | |
| Other details |
War service: Western Front Commenced return to Australia on board HT 'Marathon', 19 April 1919; disembarked Perth, 30 May 1919; discharged (medically unfit), Perth, 23 January 1920. Medals: British War Medal, Victory Medal |
| Date of death | |
| Age at death | 36 |
| Place of burial | Oswaldtwistle, Lancashire, England |
| Sources | NAA: B2455, RILEY William |