Mary C. was born.

The evidence

• “Henry C, Sept. 1, 1854; Mary C, June 22, 1858. He was Clerk, Director and Treasurer of the District School for several years ;”

  1879-history-of-rock-county/32-bios-plymouth.md, PDF p. 869 / book p. 873

  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