NEWARTHILL, a village, in that part of the parish of BoTHWELL which formed the quoad sacra parish of Holytown, Middle ward of the county of Lanark, 1^ mile (S. E. by E.) from Holytown; containing 968 inhabitants. This village is situated south of the postroad from Edinburgh to Glasgow, in the heart of a district abounding with coal and ironstone; and the inhabitants are chiefly employed in collieries, and in the iron and steel works which are carried on in the immediate vicinity. Schools are supported by the proprietors of the works, for the instruction of the children of their workmen.