A. M. Johnson died at Farmington, Mississippi.

The evidence

• “M. Johnson (died at Farmington, Miss., May 24, 1862), Joseph Kane, James Krebs, Charles Kelly, William Kelly, Julius Love, Charles Lee, James Keefe, J. N.”

  1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 458 / book p. 462

  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