1854
Hudson & co. conducted the American House from 1854 to 1858
Nation and worldGrade A · 1 independent source
The evidence
“B. Doe first year ; two years for Smith & (/larke ; one year for Wilson & Ullman; conducted the American House from 1854 to 1858 under the firm name of Haselton & Hudson ; prior to this time, he was clerk in the Stevens House nearly two years ; after 1858, he was for a year or two connected with the Hyatt House, a portion of the time as proprietor; engaged in stone quarrying a year or two; was proprietor of the Seymour House, of Oshkosh, from 1868 to 1869; was first elected City Treasurer in 1 874, and has held that office up to the present time by re-election ; in an early day, he held Various pofitions, such as Town Treasurer, Constable, etc.”
1879-history-of-rock-county/17-bios-janesville.md, PDF p. 703
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