J. J. Parker came to Wisconsin with his father, John Parker, locating at Johnstown.

The evidence

• “P. 0. Johnstown ; born in New York, June 20, 1823 ; came to Wisconsin with his father, John Parker, in 1856, locating at Johnstown ; before the death of his father, which occurred Jan. 31, 1866, J. J. purchased the farm of 297 acres, his present homestead ; he makes a specialty of fine wool sheep and dairy produce ; ships his butter to Chicago.”

  1879-history-of-rock-county/24-bios-johnstown.md, PDF p. 808 / book p. 812

  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