TREADWELL, John, statesman, born in Farmington, Connecticut, 23 November, 1745; died there, 19 August, 1823. He was graduated at Yale in 1767, studied law, and began to practise in Farmington. He was elected a member of the legislature in 1776, and continued to take part in it until 1785, when he was appointed a member of the governor's council. He sat in the Continental congress from 1785 to 1786. In 1789 he became judge of probate and of the supreme court of errors, which office he held until 1809. He afterward served as judge of the court of common pleas for three years. He was made lieutenant-governor of Connecticut in 1798. He was one of eight that were delegates both to the convention at Hartford that ratified the constitution of the United States in 1788, and of the convention, thirty years afterward, that formed the state constitution. In 1809-'11 he was governor of Connecticut. Governor Treadwell took an active part in the management of the school fund of Connecticut, and was president of the American board of commissioners for foreign missions during the latter years of his life. He received the degree of LL. D. from Yale in 1800.