a county in the province of Connaught, Ireland, 31 miles in length, and 29 in breadth; bounded on the east by that of Leitrim, on the west by the county of Mayo, on the north and north-west by the western ocean, and on the south and south-west by Roscommon and Mayo. It contains 11,500 houses, 41 parishes, 60,000 inhabitants, and sends two members to parliament.

the only market town in the county, contains 8000 inhabitants, and enjoys a considerable trade, is seated on a bay of the same name, 30 miles west of Killala, and 110 north-east of Dublin. W. Long. 8. 26. N. Lat. 54. 13.