DALMELLINGTON, burgh of barony and parish, Ayrshire, Scotland, 15 m. S.E. of Ayr by a branch line, of which it is the terminus, of the L.M.S.R. Pop. (1931) 6,151. The district is rich in coal, ironstone, sandstone and limestone. Though the place is very old, a Roman road running near it, few remains exist. It was, however, a centre of activity in Covenanting times.