March 30, 1840
The first wedding in the town of Rock took place at the house of Richard Inman: George W. Brittain married Miss Sylvania (Sylvia) Inman.
The evidence
“The first house erected on the west side of the river was by Ira Washburn, in 1838. The first wedding in the town of Rock took place at the house of Richard Inman, March 30, 1840, the parties being George W. Brittain and Miss Sylvania Inman.”
1879-history-of-rock-county/13-rock-county-ch07-town-histories.md, PDF p. 522 / book p. 526
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
On the printed page (PDF p. 522 / book p. 526) · open the whole page “The first house erected on the west side of the river was by Ira Washburn, in 1838. The first wedding in the town of Rock took place at the house of Richard Inman, March 30, 1840, the parties being George W. Brittain and Miss Sylvia Inman.”
1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 202 / book p. 706
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 1879-history-of-rock-county, so not counted as independent
On the printed page (Vol. 2, PDF p. 202 / book p. 706) · open the whole page