Save Type Surname (from given name) Usage Irish Pronounced Pron. O ROO-an [key·IPA] Expand LinksMeaning & History Means "descendant of RUADHÁN" in Irish. DetailsRelated Names VariantsÓ Ruaidh, Rowan, RuaneGiven Name DescendantRowan(Irish) Categories colors, red Entry updated November 16, 2019 ·