 They were descended from Brian Luighnech Ua Conchobhair (k.1181) and were Lords of Sligo into the middle of the 17th century.For a list of chiefs of Cairbre Drom Cliabh see O'Conchobar Sligigh

This territory is between the coast and the Dartry Mountains, borders Ulster to the north and extends from the Owenmore river at Ballysadare to the Drowes (Drobhaois) River near Bundoran.It included the districts of Cálraighe Locha Gile, Magh Cetne, Bréachmhaigh, Magh Eabha, Cuil Iorra and part of Dartraige.