Horrigan
In County Cork, Ireland. Horrigan is a native surname, although many of its bearers went to America and Wales.
Replies
Horrigan or Horigan is fairly rare, but related to Horgan which is numerous in Munster (Southern Ireland) ...It is especially found in Cork City and the Kerry/Limerick border. The name is derived from the Irish 'Ó h-Anradáin' which comes from 'anradh', "a warrior" ...