Note 14 — Chapter VI
Reading edition
In later times their chief families were the O'Driscolls, the Clancys [Mac Fhlanchadhas] of the county Leitrim, the Mac Allans of Scotland, the Coffeys and the O'Learys of Roscarberry, etc. They were commonly called the Clanna Breogain, or Irish Brigantes, from Breogan, father of Ith.