1844
H. Caldwell purchased 80 acres on Sec. 3, Range 12 north.
The regionGrade A · 1 independent source
The evidence
“H. CAIjDWKIiLi, florist; came to Janesville in the fall of 1842, with his father-in-law; in 1844, he purchased 80 acres on Sec. 3 north, of Range 12 ; was born in 1819, April 12, in the village of Roseland, near Edinburg, Scotland. Married Miss Helen Hislop, daughter of Robert and Janette Hislop, of Scotland; they have three children — Caroline C, Janette E. and Helen A.”
1879-history-of-rock-county/17-bios-janesville.md, PDF p. 694
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