Ó Cionaodha
Ó CIONAODHA, Ó CIONAOITH—I—O Kenaith, O Kenny, O Kenna, Kinna, Kinney, Kenna, Kenny, &c.; 'descendant of Cionaodh' (fire-sprung); the name of several distinct families in different parts of Ireland. It was common, in the 16th century, in all parts of Leinster and Munster, and in Galway, Roscommon and Tyrone.
Alphabetical Index to Irish Surnames