 Sunbury Township was named by William K. Brown after his former town in Pennsylvania.The township was organized April 6, 1858, by the election of J. O. Corey as supervisor; J. S. Cumming, clerk; T. F. Norton, assessor; A. S. Blakeslee, collector; Andrew Sprague, John Gower and R. C. Myer as commissioner of highways; Isaac Ames and A. J. Hopkins, constables.Only 19 votes were cast at the election.