| Regimental number | 402 |
| Place of birth | Albany Western Australia |
| Religion | Roman Catholic |
| Occupation | Farmer |
| Address | Albany, Western Australia |
| Marital status | Single |
| Age at embarkation | 21 |
| Next of kin | Father, J M Flannagan, Kojonup, Western Australia |
| Enlistment date | 17 October 1914 |
| Rank on enlistment | Private |
| Unit name | 10th Light Horse Regiment, C Squadron |
| AWM Embarkation Roll number | 10/15/1 |
| Embarkation details | Unit embarked from Fremantle, Western Australia, on board Transport A52 Surada on 17 February 1915 |
| Rank from Nominal Roll | Driver |
| Unit from Nominal Roll | 3rd Light Horse Field Ambulance |
| Fate | Returned to Australia 10 July 1919 |
| Miscellaneous details (Nominal Roll) | *given name two spellings Elworthy and Elverthy |
