BARRHEAD, a town of Scotland, county of Renfrew, three miles S. of Paisley, and 8 miles S.W. of Glasgow on the Caledonian Railway line between that city and Kilmarnock. It has rapidly increased since about 1840, and formed a junction with the neighbouring villages of Dovecothall, Cross Artherlie, and Grahamston. The principal employment is spinning, weaving, and bleaching. Population in 1871, 6209.