A resident (P. O. Edgerton) was born in County Tyrone, Ireland.

The evidence

• “P. 0. Edgerton; born in County Tyrone, Ireland, in 1826 ; came to America in 1840 ; lived in Delaware Co., N. J., till 1856, when he came to Wisconsin and settled in Fulton, Rock Co.; in 1859, he purchased his present homestead of sixty acres.”

  1879-history-of-rock-county/27-bios-fulton.md, PDF p. 846 / book p. 850

  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