October 1840
The Pierce family removed to Rock Co., when there were only two houses on the site of Janesville, locating on 160 acres.
Rock CountyGrade A · 1 independent source
The evidence
“Janesville; born in Lawrence Co., Vt., June 1, 1828 ; son of P. A. and Maria Pierce ; removed to Rock Co., in October, 1840, when there were only two houses on the site of Janesville ; located on 160 acres, part of which is now the site of the State Asylum for the blind. The Pierce brothers have increased the farm to 300 acres.”
1879-history-of-rock-county/22-bios-rock.md, PDF p. 794 / book p. 798
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
On the printed page (PDF p. 794 / book p. 798) · open the whole page