OREILLY
O'Reilly
O'Reilly is the Anglicised form of the Gaelic Ó Raghallaigh. It is also the patronymic form of the Irish name Reilly . 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 tenth in the top twenty list of Irish surnames.The above text is a snippet from Wikipedia: O'Reilly
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