Origin and Distribution: The surname ‘Riley’ has both English and Irish origins. In England, it is a locational surname derived from the Old English words ‘ryge’ (rye) and ‘leah’ (clearing or meadow), meaning ‘rye clearing.’ It is associated with places such as High Riley in Accrington, Lancashire. In Ireland, ‘Riley’ is an Anglicized version of the Gaelic surname ‘Ó Raghallaigh,’ meaning ‘descendant of Raghallach,’ with ‘Raghallach’ meaning ‘valiant.’ The surname is prevalent in English-speaking countries, including the United States, the United Kingdom, and Australia. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Riley_%28surname%29?utm_source=openai))

Meaning: The surname ‘Riley’ signifies ‘rye clearing’ in English and ‘valiant’ in Irish Gaelic. ([en.wikipedia.org](https://en.wikipedia.org/wiki/Riley_%28surname%29?utm_source=openai))

Famous People: Specific information regarding notable individuals bearing the surname ‘Riley’ is not readily available in the provided sources. Further research into regional records and historical documents may provide more insights into prominent figures associated with this surname.