| Regimental number | 14 |
| Place of birth | Branxholme Victoria |
| Religion | Presbyterian |
| Occupation | Station labourer |
| Address | Branxholme, Victoria |
| Marital status | Single |
| Age at embarkation | 19 |
| Next of kin | Mother, Mrs R MacPherson, Branxholme, Victoria |
| Previous military service | 73A Area |
| Enlistment date | 13 October 1914 |
| Date of enlistment from Nominal Roll | 30 October 1914 |
| Rank on enlistment | Private |
| Unit name | 8th Light Horse Regiment, Headquarters |
| AWM Embarkation Roll number | 10/13/1 |
| Embarkation details | Unit embarked from Melbourne, Victoria, on board HMAT A16 Star Of Victoria on 25 February 1915 |
| Rank from Nominal Roll | Trooper |
| Unit from Nominal Roll | 8th Light Horse Regiment |
| Fate | Returned to Australia 23 September 1915 |
| Miscellaneous details (Nominal Roll) | *second given name two spellings Riddell and Riddle |