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Cavanaugh Family HistoryThe Irish name Kavanagh, Cavanagh, Cavanaugh and all of its various spellings comes from the gaelic "Caomhánach" meaning "born handsome". The first recorded "Caomhánach" was the son of Diarmuid Mac Murrough, a 1200AD King of ancient Leinster, Donal Caomhánach.
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