Spring 1843
The first permanent Methodist class/church was formed in Janesville, consisting of nine or ten members, with John Wynn appointed leader (one passage names Rev. Boyd Phillips as organizer).
The evidence
“The next preacher upon the cirenit was Rev. Alpha Warren, who was succeeded by Rev Boyd Phelps.— During his ministry, in the spring of 1843, the first permanent class was formed, consisting of nine or ten members, and Mr, John Wynn was appointed its leader.”
1856-history-of-rock-county/25-city-of-janesville.md, PDF p. 182 / book p. 164
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
On the printed page (PDF p. 182 / book p. 164) · open the whole page “In the spring of 1843 the first permanent Methodist church was organized by Rev. Boyd Phillips; it had nine members, and Mr.”
1908-brown-rock-county/26-history-of-janesville.md, Vol. 2, PDF p. 20 / book p. 535
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 · may repeat 1856-history-of-rock-county, so not counted as independent
On the printed page (Vol. 2, PDF p. 20 / book p. 535) · open the whole page