O'REILLEY

Patronymic

Meaning

Descendant of Raghallach, meaning 'valiant' or 'fierce'.

Etymology

Irish patronymic from Ó Raghallaigh, derived from the personal name Raghallach. The name evolved through anglicization of the Irish prefix 'Ó' to 'O'.

About the O'REILLEY Surname

An Irish surname derived from the Gaelic patronymic prefix Ó combined with Raghallaigh. The spelling O'Reilley represents an anglicized variant of the more common O'Reilly.

Distribution

Primarily Ireland and Irish diaspora communities.

Notable Bearers

Variant of O'Reilly; specific bearers of this spelling are less documented

People with the O'REILLEY Surname

R.M. O'REILLEY

GENERAL