Set off from Acton & Chelmsford, 1780. || Carlisle, Mass. Middlesex co. This town lies 20 miles N.W. from Boston, and 5 N. from Concord. Incorporated, 1805. Population, 1837, 596. It is bounded S.E. by Concord river. This is a poor town, and its manufactures are very trifling. — John Hayward, The New England Gazetteer, 1839.