Ó Giollagáin

Rev Patrick Woulfe
1923

Ó GIOLLAGÁIN—IO Gillegane, O Gilgan, Gilligan, Gillgan, Gilgan; descendant of Giollagán' (diminutive of giolla, servant, youth); a variant of Ó Giolláin, which see; a scattered surname; formerly most common in Westmeath, Thomond, Galway, Roscommon and Sligo; perhaps sometimes substituted for Ó Gealagáin, which see.

Alphabetical Index to Irish Surnames

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