1853
The Gibbs family settled in 1853 in Porter Township, Rock Co.
Rock CountyGrade A · 1 independent source
The evidence
“Fulton; born in Jefferson Co., N. Y., March 1, 1846 ; his father settled with his family, in 1853, in Porter Township, Rock Co., on the farm now owned by Mr. Joseph Gibbs, his son, which he managed until his death, June 11, 1860, since which time the farm has been owned and managed by Mr.”
1879-history-of-rock-county/31-bios-porter.md, PDF p. 866 / book p. 870
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