1854
The first post office in Edgerton village was established, with William B. Hall as Postmaster
Rock CountyGrade A · 1 independent source
The evidence
“The first office in Edgerton village was established in 1854, William B. Hall being in ■command as Postmaster.”
1879-history-of-rock-county/16-rock-county-ch10-villages.md, PDF p. 675 / book p. 679
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. 675 / book p. 679) · open the whole page