Cathair-Durlais, i. e. the city or stone-fort of Durlas. There are several places of the name in Ireland. There is a very remarkable fort called Rath-Durlais, in the parish of Cill-Ruadhain (Kilruane) barony of Lower Ormond and County of Tipperary, which may be the one here referred to.

From The genealogy of Corca Laidhe (Author: Unknown), p.47 column 2 (section 14.) Corpus of Electronic Texts Edition
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