BRANFORD, a borough of New Haven county (Conn.), U.S.A., at the mouth of the Branford river, 7m. S.E. of New Haven, on the New York, New Haven and Hartford railroad. The population in 193o was 2,365. It has a beautiful library, built (1893-96) and endowed by T. B. Blackstone (1829-190o), president of the Chicago and Alton railroad 1864-99, in memory of his father, James Blackstone (1793-1886), who was born and lived all his life on a farm in Braintree, where his ancestors had lived for four generations.