Kavanagh (surname) Kavanagh (surname) Kavanagh or Kavanaugh is a surname of Irish origin, Caomhánach in Irish Gaelic. It is properly "Mac Murchadha Caomhánach" (an example of an Irish agnomen; see "Ó Catharnaigh Sionnach" or Fox of Fir Teathbha), but is often now rendered 'Caomhánach' or rarely 'Ó Caomhánaigh'. "Kavanagh" and "Kavanaugh" are anglicised variations of the Irish Gaelic surname Caomhánach (Cʌoṁʌ̃nʌċ in traditional Gaelic script). The surname was first assumed by Domhnall Caomhánach (the eldest son of the 12th century King of Leinster, Diarmait Mac Murchada) in Ireland. A considerable number of anglicised variations of Caomhánach exist, with some of the most
McLoughlin McLoughlin McLoughlin is one of nearly two dozen Anglicisms for three Gaelic-Irish surnames: Mac/Nic Lochlainn (most commonly Anglicised "McLaughlin"), Ó/Ni Máoilsheáchlainn (usually "McLoughlin" or "M'Loughlin"), and Mac/Nic Lochnaigh (usually rendered Loughney but occasionally "McLoughlin" or "MacLoughlin"). "Mac" and "Ó" are masculine prefixes; "Ni/Nic" is feminine. Mac is rendered into English as "Mac", "Mc" and "M"'. Ó is rendered "O' ". The feminine prefix is rendered into English according to its masculine counterpart (e.g. Nic na Mhara > McNamara, Ni hEaghra > O'Hara). They are used with names that originated as patronymics. Occasionally, the prefix "Mael/Maol" is Anglicised "Mac/Mc". The surname