WEYMOUTH, a town of Massachusetts, U.S.A., Pop. (1920) 15,057 (82% native white) ; 1930 Federal census 20,882. The town's area of 19 sq.m. includes four islands besides the peninsula between the Weymouth Fore River and the Weymouth Back River. On the latter, about 2 m. from its mouth, is a U.S. naval magazine. The surface of the country is rough: Great Hill (at one of the narrowest parts of the peninsula) is about 140 ft. above the rivers. In the township are the Fogg Library (1898, in South Weymouth) founded by a bequest of John S. Fogg; and the Tufts
Library (1879, in Weymouth village), endowed by Quincy Tufts and his sister Susan Tufts. Traffic on the two rivers in 1927 amounted to 1,449,364 tons, valued at $13,807,985. In 1635 the plantation of Wessaguscus (settled by Thomas Weston in 1622) was incorporated as a town. In 1637, Round and Grape islands were annexed.