Seymour - Hardcoverby Theresa W. Conroy (Author) Early in its history, Seymour was a thriving Native American fishing community along the banks and falls of the Naugatuck River. As European settlers arrived, agriculture dominated the landscape. During the early days of the Industrial Revolution, Seymour flourished as a manufacturing community, and its products were in demand throughout the world. The first woolen mill in the United States was established at the falls by