The surname Gillhooly was first found in Leitrim and Roscommon where they held a family seat as a part of the O'Mulvey Clann. Irish history was greatly influenced by the Norman invasion of 1172, and thereafter, the surnames of Irish Gaelic clanns and septs and many of the Norman families became almost indistinguishable. This family name was found later in Sligo. They are believed to be descended through the O'Mulveys from Dermod Ruanach, chief of one of the 'Four Tribes of Tara' and a King of Ireland in the 7th century. (O'Hart)
Early History of the Gillhooly family
This web page shows only a small excerpt of our Gillhooly research. Another 66 words (5 lines of text) are included under the topic Early Gillhooly History in all our PDF Extended History products and printed products wherever possible.
Gillhooly Spelling Variations
Spelling variations of this family name include: Gillooly, Gilhooly, Gillhooly, Gilluly, Gillulie, Gilooly, Gululie, Giluly, Giluley, Gulhouley, Gilhouly, Gollhooley and many more.
Early Notables of the Gillhooly family
More information is included under the topic Early Gillhooly Notables in all our PDF Extended History products and printed products wherever possible.
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Migration of the Gillhooly family
Some of the first settlers of this family name or some of its variants were: Michael Gillooly, who arrived in New York City in 1847; Michael Gillooly, who was recorded in the 1871 census of Ontario, Canada, Mary Gilooly, who died aboard a ship enroute to Canada at age seven, James Gillogly, who came to New Brunswick in 1847.
