Anso'nia, Conn., a city of New Haven County, on the Naugatuck River, near the city of Derby and the junction of the Naugatuck with the Housatonic River. It is on the line of the N. Y., New Haven & Hartford railroad, about 12 miles west of New Haven. It has a number of manufactories, chiefly of brass and copper products, clocks, electrical works, webbing and knitting goods, carriages and hardware. Ansonia was founded in 1844 by Anson Greene Phelps, and the public library of the city was erected to his memory by his granddaughters. Population 15,152.
