F. Sanborn was born in Wheelock, Caledonia Co., Vt.

The evidence

• “F. ISANBORN, furniture dealer; born m Wheelock, Caledonia Co., Vt., March 7, 1841 ; came West in 1848 and settled in Illinois, near Beloit, where he farmed for four years ; then came to Milton, Wis. ; remained four years, and thence to Sauk Co. six years; enlisted in fall of 1863, in Co. G, 1st Wis.”

  1879-history-of-rock-county/17-bios-janesville.md, PDF p. 717

  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