Andrew Bean and Asahel Gage were killed at South Mountain.

The evidence

• “Bennett, Frederick Breme, Cain Billings, Jeremiah G. Burdick, Chancy Bartholomew, Henry Backus, Andrew Bean (killed at South Mountain September 14, 1862), William Croft, Samuel Creek, Charles H. Cheney, Andrew Douglas, Lorin Davis, Jr., Johnson Dole, John N. Ehle, Chauncev Ehle (died at Richmond, Va., in November, 1862), John F. Foot, William H. Foote, Asahel Gage (killed at South Mountain September 14, 1862), Wendell Fairbrother, John Hamilton (promoted Corporal and died at Richmond, Va.), William Hogan, Albert B. Heath, Joseph Harris, Isaac R.”

  1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 455 / book p. 459

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources

  

• “Bennett, Frederick Breme, Cain Billings, Jeremiah G. Burdick, Chauncey Bartholomew, Henry Backus, Andrew Bean (killed at South Mountain September 14, 1862), William Croft, Samuel Creek, Charles H. Cheney, Andrew Douglas, Lorin Davis Jr., Johnson Dole, John N. Ehle, Chauncey Ehle (died at Richmond, Va., in November, 1862), William Hogan, Albert B. Heath, Joseph Harris, Isaac R.”

  1908-brown-rock-county/16-military-history.md, Vol. 1, PDF p. 360 / book p. 331

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources · may repeat 1879-history-of-rock-county, so not counted as independent