ROSSLEE, a parish, in the barony of CARRA, county of MAYO, and province of CONNAUGHT, 6 miles (S. S. E.) from Castlebar, on the road to Hollymount ; containing 886 inhabitants. The land is chiefly in pasture and under tillage ; there is but little bog. Thomastown is the seat of T. V. Clendening, Esq. ; Mount Pleasant, of G. Mahon, Esq. ; Castle Lucas, of G. Ormsby, Esq. ; and Lakemount, of J. O'Dowd, Esq. It is a rectory and vicarage, in the diocese of Tuam, forming part of the union of Balla : the tithes amount to £80. In the R. C. divisions it is part of the union or district of Balla. Here is a private school of about 30 boys and 20 girls. At Clogher Lucas are the ruins of an old castle.