literature are exceedingly meagre, obscure and confusing. During this century however Éile appears to have reached its greatest extent, stretching from Croghan Bri Eli (Croghan Hill in Offaly) to just south of Cashel (in Corca Eathrach Eli). The southern part of this territory embraced the baronies of Eliogarty and Ikerrin, a great part of the modern barony of Middlethird, the territory of Ileagh, and portion of the present barony of Kilnamanagh Upper.

By the 8th century, the territory of Ancient Éile had broken up into a number of