Save Type Surname (from given name) Usage Irish Pronounced Pron. RAY-gən [key · IPA] Expand Name LinksMeaning & History Anglicized form of Irish Ó Ríagáin meaning "descendant of RIAGÁN". A famous bearer was American president Ronald Reagan (1911-2004). See All RelationsRelated Names VariantsÓ Ríagáin, Regan Entry updated February 28, 2019
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