1844
A Janesville denomination (holding occasional meetings since 1843) began regular services.
Rock CountyGrade A · 1 independent source
The evidence
“The first meetings of this denomination held in Janesville were composed of a few members, who met in the school house or at the residence of some member in 1843. Their numbers were small at first, and they held no regular services until 1844, when the Rev. C.”
1908-brown-rock-county/14-janesville-churches.md, Vol. 1, PDF p. 311 / book p. 285
Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.
Grade A: Found on a page of one of our sources
On the printed page (Vol. 1, PDF p. 311 / book p. 285) · open the whole page