O'Reilly

O'Reilly
Family name
Meaning "descendant of Reilly (outgoing people)"
Region of origin Ireland
Language(s) of origin Irish
Related names Reilly, Riley, O'Riley

O'Reilly (pronounced /əˈraɪli/) is the Anglicised form of the Gaelic Ó Raghallaigh.[1] It is also the patronymic form of the Irish name Reilly (Irish Gaelic: Uí Raghaile).[2] It is commonly found throughout Ireland, with the greatest concentration of the surname found in County Cavan followed by Longford, Meath, Westmeath, Fermanagh and Monaghan, and the Province of Leinster. O'Reilly is ranked eleventh in the top twenty list of Irish surnames.

Contents

Nobility

People

People with the surname O'Reilly include:[3]

Companies

References

See also