Edzell (popularly Aigle), vil., Forfarshire, and par., partly also in Kincardineshire -- par., 20,068 ac., pop. 823; vil. (formerly called Slateford), on the North Esk, 5½ miles N. of Brechin, pop. 370; P.O., T.O., 1 Bank; has several annual fairs; 1 mile W. is the ruin of Edzell Castle, an old seat of the Lindsays, now the property of the Earl of Dalhousie; it consists of two towers, connected by an extensive wall; the oldest is of unknown antiquity, the other dates from the 16th cent.

(John Bartholomew, Gazetteer of the British Isles (1887))