Agesilaus O. Wilson was a member of the Wisconsin State Assembly. He was elected to the Assembly in 1892, succeeding John Winans. Other positions he held include Clerk of the Board of Education of Janesville, Wisconsin. Wilson was a Democrat. He was born on May 2, 1842 in Bradford, Maine. He served as editor for the Janesville Times and the James Daily Recorder. He also served as postmaster for Janesville, Wisconsin. Wilson also served as mayor of Janesville, Wisconsin from 1903 until hid death in 1904. Wilson died on April 28, 1904 in Janesville, Wisconsin.