CARDIGAN-ISLE-OF, an extra-parochial district, in the hundred of TROEDYRAUR, county of CARDIGAN, SOUTH WALES, 44 miles (N.). from, Cardigan. This is a small island, at the eastern side of the mouth of the river Teivy, and only separated from the main land by a narrow channel: it comprises about forty acres, and yields good pasturage for cattle and sheep, chiefly for the market at Cardigan.