1843
Daniel Tallman came to Turtle, Rock Co., and settled on 103 acres.
Rock CountyGrade A · 1 independent source
The evidence
“Y., May 4, 1815 ; son of Charles Tallman, who was a prominent and much respected farmer ; his father was a brave soldier in the Revolutionary war ; Daniel remained at home till 1843, when he came to Turtle, Rock Co., and settled on 103 acres, and, in 1854, moved to Clinton; now has 126 acres and thirty-six acres in Turtle. Married Hannah Willis, daughter of William Willis, of New York, Nov. 3, 1836 ; have had five children — Elizabeth died when 15 years old ;”
1879-history-of-rock-county/20-bios-clinton.md, PDF p. 783
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