A post route from Belvidere to Janesville, via Beloit, was established; John Hackett took charge of the new post office.

The evidence

• “Next an office was established at Roscoe in IIL, six miles from Beloit, and a boy and horse were sent there weekly after the letters. Next, in 1839, a post route from Belvidere to Janesville, passing”

  1856-history-of-rock-county/06-beloit.md, PDF p. 75 / book p. 57

  Guernsey, Orrin, and Josiah F. Willard, editors. History of Rock County, and Transactions of the Rock County Agricultural Society and Mechanics' Institute. Janesville, Wis.: William M. Doty & Brother, 1856. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871593.

  Grade A: Found on a page of one of our sources

• “Next, an ofliice was established at Belvidere, 111., a distance of twenty miles ; and then a paternal Government instituted one at Roscoe, 111., a distance of six miles, communication with which was had through the medium of a boy and a horse, who were sent there once a week for letters. In 1839, a post route from Belvidere to Janesville, via Beloit, was established, Mr. John Hackett being the gentleman in charge of the post office which it then became necessary to institute.”

  1879-history-of-rock-county/15-rock-county-ch09-beloit.md, PDF p. 625

  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 · may repeat 1856-history-of-rock-county, so not counted as independent