June 6, 1857
The first mail was received at the newly established post office of Orfordville, brought from Brodhead on horseback; William Drysdale was the recipient of the first letter delivered.
Rock CountyGrade A · 1 independent source
The evidence
“This mark of civilization was established in 1857, under the name of Orfordville, the first mail received being brought from Brodhead on horseback, on June 6, 1857, and it is said that Mr. William Drysdale was the recipient of the first letter delivered.”
1879-history-of-rock-county/16-rock-county-ch10-villages.md, PDF p. 661 / book p. 665
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. 661 / book p. 665) · open the whole page