1856
A Connecticut-born settler came to Beloit and bought Henry Waterman's property.
BeloitGrade A · 1 independent source
The evidence
“P. 0. Beloit; born in Litchfield, Conn., in 1810 ; came to Beloit in 1856, and bought Henry Waterman's property, located opposite C. & N.-W. R.”
1879-history-of-rock-county/18-bios-beloit.md, PDF p. 757 / book p. 761
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