Ó Dubhshláine
Ó DUBHSHLÁINE, Ó DUBHSHLÁINGE—I—O Dowlaney, O Dulany, Delaney, Delany, Deleany, Laney, &c.; 'descendant of Dubhshláine' or 'Dubhshláinge' (Black of the Slaney); the name of a numerous family in Leix, who were formerly chiefs of Coill Uachtarach, now Upperwoods, at the foot of Slieve Bloom.
Alphabetical Index to Irish Surnames