Winter 1849
The father of May died on his farm on the Janesville road just south of the Fort.
Rock CountyGrade A · 1 independent source
The evidence
“May, the daughter of an early pioneer. Her father had died on his farm on the Janesville road just south of the Fort in the winter of 1849 after a residence there of ten years. The mother and daughter had left the farm and moved to the Fort, where I soon met them, as I had previously met the daughter at school in Milton, as before stated.”
1900-caswell-reminiscences/10-politics-and-congress.md, PDF pp. 3–27
Caswell, Lucien Bonaparte. The Reminiscences of the Hon. L. B. Caswell. Written at Fort Atkinson, Wis., 1914–1916; four-column newspaper reprint, newspaper and date unidentified. University of Wisconsin-Madison Libraries.
Grade A: Found on a page of one of our sources