F. Pierson was born in Muscatine, Iowa.

The evidence

• “F. PI PIERSON, general repair and job shop, 87 Main street; born in Muscatine, Iowa, July 27, 1849 ; son of Silas and Elsie A. Pierson.”

  1879-history-of-rock-county/17-bios-janesville.md, PDF p. 714

  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