Rooney Family History
Rooney Name Meaning
Irish:: shortened Anglicized form of Gaelic Ó Ruanaidh or Ó Ruanadha ‘descendant of Ruanadh’ a personal name from ruanaidh ‘strong man champion’. Ó Ruanaidhín was a variant in Connacht and Rowan might be adopted as equivalent in Down. Compare Mac Ruanaidh now Croney in Scottish Gaelic. shortened Anglicized form of Gaelic Ó Maolruanaidh see Mulrooney and Moroney .
Source: Dictionary of American Family Names ©2013, Oxford University Press