| Regimental number | 6555 |
| Place of birth | Middle Creek Queensland |
| Religion | Roman Catholic |
| Occupation | Grazier |
| Address | Haran, Moonie via Dalby, Queensland |
| Marital status | Single |
| Age at embarkation | 25 |
| Next of kin | Father, E J Rielly, Rangeville South Street, Toowoomba, Queensland |
| Enlistment date | 1 May 1916 |
| Rank on enlistment | Private |
| Unit name | 15th Battalion, 21st Reinforcement |
| AWM Embarkation Roll number | 23/32/2 |
| Embarkation details | Unit embarked from Brisbane, Queensland, on board HMAT A36 Boonah on 21 October 1916 |
| Rank from Nominal Roll | Private |
| Unit from Nominal Roll | 15th Battalion |
| Fate | Returned to Australia 9 February 1919 |
| Family/military connections | Brothers: 6557 Pte Thomas RIELLY, 15th Bn, killed in action, 10 July 1917; 6556 Pte James RIELLY, 15th Bn, returned to Australia, 30 June 1918. |
| Date of death | 19 February 1971 |
| Place of burial | Toowoomba Cemetery |