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
Allen (surname) Allen (surname) Allen is a Celtic surname, originating in Scotland, and common in Ireland, Wales and England. It is a variation of the surname MacAllen and may be derived from two separate sources: Ailin, in Scottish and Irish Gaelic, means both "little rock" and "harmony", or it may also be derived from the Celtic Aluinn, which means "handsome". Variant spellings include Alan, Allan, etc. The noble family of this surname, from which a branch went to Portugal, is descended of one Alanus de Buckenhall. In Ireland, Allen is the Anglicization of the Gaelic name "Ó h-Ailín". Allen is the 41st