The First Baptist Church of Beloit was organized with fourteen members; one passage instead dates its constitution to May 1, 1841.

The evidence

• “Baptist. — The First Baptist Church of Beloit was organized April 24, 1841, with a membership of fourteen. Rev.”

  1879-history-of-rock-county/15-rock-county-ch09-beloit.md, PDF p. 639 / book p. 643

  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