September 1859
J. H. Hendley came to Wisconsin, locating at Beloit.
BeloitGrade A · 1 independent source
The evidence
“J. HENDLEY, Superintendent Beloit Gas & Coke Company; was born in England; came to Wisconsin in September, 1859, locating at Beloit; from England he went to Philadelphia; thence to Cleveland, and afterward to Beloit, where he has been engaged as Superintendent of the Beloit Gas Light & Coke Company. Mr.”
1879-history-of-rock-county/18-bios-beloit.md, PDF p. 748 / book p. 752
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