Many variations and spellings!
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About us

*The surname Hoolihan has been spelled many many different ways over the centuries with countless variations and misspellings. The main causes are translation from Irish to English, Anglicization, Typo, etc. *

This group accepts Y DNA, MTDNA, and autosomal DNA from family finder and 3rd party DNA companies like Ancestry, 23andme, myheritage, etc.

Houlihan Name Meaning Irish: Anglicized form of Gaelic Ó hUallacháin ‘descendant of Uallachán’, a personal name from a diminutive of úallach ‘proud’, ‘arrogant’. Source: Dictionary of American Family Names ©2013, Oxford University Press

Surname projects maximize the benefits of your DNA results by comparing your DNA to others that have similar DNA. Have you hit a wall in your searching? Someone in our group may have been able to break through that wall already, and it could change your entire search! Our surname group will also give you access to a very active and enthusiastic group of genealogists to help you on your quest, whatever it may be! Our surname project includes a Facebook group, genealogy page, and a website that is in the works.

Surnames in Project: Hoolihan, Houlihan, Houlahan, Hoolachan, Holohan, Hoolehan, Hulahan, Oulahan, Wholihan, Nolan, Holland, Merry, Hallahan, Halligan, Horrigan, Hallihan, Halleran

The surnames in this DNA Project are researched as part of the Houlihan one-name study. You can learn more about this significant research, and the associated family trees, by visiting the one-name study web site, or contacting the Group Administrator.