Background: When found in south and west Munster this is usually a variant of Horgan. There was formerly a Leix sept of O hArrigain whose name was anglicized Harrigan.
Variations: Harrigan, Horgan, O'Hourigan, O'Horrigan, Arragan, O'Arragan.
More Info: http://heraldry.celticradio.net/search.php?id=145
Discussion of this family is welcomed.
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