MONAGHAN, a post, fair, and market town, and chief of the county of that name, is distant 62 miles from Dublin; it is a borough, and returns two members to parliament; patron Lord Clermont. It gives title of baron to the family of Blayney, and has six fairs. It was anciently called Mumeeban. An abbey was founded here in a very early age, of which Moelodius the son of Aodh was abbot. In 1462, a monastery for conventual Franciscans was erected on the site of this abbey, which was granted on the general suppression of monasteries to Edward Withe, and a castle has been since erected on the site by Edward Lord Blayney.