John J. Van Kirk came to Rock County and located in Harmony Township.

The evidence

• “Y.: son of John J. Van Kirk, who came to Rock Co. and located in Harmony Township in 1846 ; a resident of Janesville since 1863 ; W.”

  1879-history-of-rock-county/17-bios-janesville.md, PDF p. 723 / book p. 727

  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