CASTLETOWN, a village, in the parish of KINNEIGH, Western Division of the barony of EAST-CARBERY, county of CORK, and province of MUNSTER; containing 314 inhabitants. It is situated in the heart of a wild mountainous district, and for some time after the English settlement in the reign of Jas. I. was a flourishing town, but being sacked in the war of 1641 it never revived. It now contains 57 small cabins indifferently built, and has fairs for cattle, sheep, and pigs on Jan. 1st, Easter-Tuesday, May 12th, and Sept. 4th. Here is a R. C. chapel. See KINNEIGH.