Ó Cinnsealaigh
Ó CINNSEALAIGH—I—O Kynsillaghe, Kinshela, Kinsella, Kinsley, &c.; 'descendant of Cinnsealach'; the name of a Wexford family who are descended from Eanna Cinnsealach, son of Diarmaid MacMurchadha; usually Cinnsealach, without the Ó. Compare with Caomhánach.
Alphabetical Index to Irish Surnames