There are already 1,069 users and over 21,510 genealogy profiles with the O'Neill surname on Geni. Explore O'Neill genealogy and family history in the World's Largest Family Tree.
mic (had a brother from whom descend the O'Neills)Called Hugh the Dextrous; he was killed in battleAodh Athlamh(The last King of his line.)Migration BET 1030 AND 1047 Settled on Barra in the HebridesTh...
Campbell From Wikipedia, the free encyclopedia Lady Agnes Campbell (1526–1601) was the daughter of Colin Campbell, 3rd Earl of Argyll and his wife Lady Jean Gordon. She was probably born at Castle Camp...
Niall of the Nine Hostages son changed his last name to O'Neill
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