County Named, 1835. For DeWitt Clinton, 1769-1828. In New York Senate, nine years; in U.S. Senate, 1802-03, where he introduced XII Amendment, present method of electing U.S. president, vice president. Mayor, New York, nine years; leader, tax supported school movement. Lieut. Gov., 1811-13; Gov., 1817-21, 25-28. Sponsor of Erie Canal, 1816-25. County from Cumberland and Wayne.