LITTERMULLIN, an island, in the parish of KILCUMMIN, barony of MOYCULLEN, county of GALWAY, and province of CONNAUGHT, 22 miles (W.) from Galway, on the western coast: the population is returned with the parish. It forms one side of Kiegall bay, and its northern end part of the shore of Casheen bay, and it comprises about 250 acres of arable and pasture land. The inhabitants are chiefly employed in the herring and cod fisheries on this coast and in the collection of seaweed for manure, in which several boats are employed.