Where does “Reilly” come from?
Reilly is an English surname derived from Irish Ó Raghallaigh, a patronymic from the Irish personal name Raghallach.
Ancestry of “Reilly”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Irish | Ó Raghallaigh | — |
| 2 | Irish | Raghallach | — |