1852
Michael Cole came to Wisconsin, locating on Sec. 10.
The regionGrade A · 1 independent source
The evidence
“MICHAEL COLE, farmer, P. 0. Afton ; born in Northampton Co., Peun., in 1824; came to Wisconsin in 1852, locating on Sec. 10 ; sold his farm in 1870, and came to Afton after a trip east to Pennsylvania, and one west through Iowa and Missouri. He married Miss Mary Clapper, of Sharon, Wis., in 1854 ; they have four children — Janie, George, Henry and Lillie.”
1879-history-of-rock-county/21-bios-lima.md, PDF p. 792 / book p. 796
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