| Regimental number | 3770 |
| Place of birth | Echuca Victoria |
| Religion | Church of England |
| Occupation | Draper |
| Address | Shepparton, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Father, C T Riddell, Edward Street, Shepparton, Victoria |
| Previous military service | 15th ALH |
| Enlistment date | 21 November 1917 |
| Rank on enlistment | Private |
| Unit name | 57th Battalion, 10th Reinforcement |
| AWM Embarkation Roll number | 23/74/5 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A71 Nestor on 28 February 1918 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 57th Battalion |
| Fate | Returned to Australia 1 April 1919 |
| Family/military connections | Brother: 3769 Pte Alfred Hugh Trevor RIDDELL, 57th Bn, died of wounds, 13 August 1918. |
