The first postal facilities were provided for Beloit: a horseback mail once a week between Beloit and Belvidere, Illinois, with John Hackett as first Postmaster.

The evidence

• “The first postal facilities were provided in 1838, and consisted of a horseback mail once a week between Beloit and Belvidere, 111., distant twenty-four miles, and the first Postmaster was John Hackett.”

  1879-history-of-rock-county/15-rock-county-ch09-beloit.md, PDF p. 612 / book p. 616

  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