HINGHAM, a town of Plymouth county, Mass., U.S.A., on Massachusetts bay, I2m. S.E. of Boston; served by the New York, New Haven and Hartford railroad. The area is 3o sq.m., and the population in 1930 was 6,657. It is primarily a residential town and a summer resort. It has some manufactures and is the seat of a United States arsenal and of Derby academy, founded in 1784 by Sarah Derby. The Old Meeting house was built in 1682. There were settlers here as early as 1633, some of whom were natives of Hingham in England; and in 1635 the common land called Barecove became the town of Hingham.