Save Type Surname (from given name) Usage Irish Meaning & HistoryExpand Links Derived from the Irish Gaelic name Caomhánach, which means "a student of saint Caomhán". It was the name used by a 12th-century king of Leinster, Domhnall Caomhánach, the eldest son of the historic Irish king Diarmait Mac Murchada. Related NamesDetails VariantsCaomhánach, Cavanagh, Cavanah, Cavanaugh, Kavanah, Kavanaugh, Ó Caoimháin Categories kings, princes
