1840
The only deaths that had occurred in the settlement until 1840 ceased; no other death occurred until 1840.
The evidence
“These were the only deaths which occurred in the settlement until the year 1840!”
1856-history-of-rock-county/25-city-of-janesville.md, PDF p. 174 / book p. 158
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. 174 / book p. 158) · open the whole page “In this month also the second death occurred, that of George Holmes, and the second birth, ]\Iary Catherine Holmes, daughter of John and Hannah Holmes. There was no other death until 1840.”
1908-brown-rock-county/26-history-of-janesville.md, Vol. 2, PDF p. 13 / book p. 528
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. 2, PDF p. 13 / book p. 528) · open the whole page