FORTH, a village, in the parish of Carnworth, Upper ward of the county of Lanark, 85 miles (N. E. by E.) from Lanark; containing 357 inhabitants. This is a modern village, seated on the road from Lanark to Whitburn. It may be almost regarded as an appendage to Wilsontown, being chiefly inhabited by persons employed in the coal and iron mines connected with the extensive iron-works of that place, founded by the Messrs. Wilson of London, about the year 1*60.