A post office was established at Shopiere, with Andrew Cromwell as postmaster.

The evidence

• “A Post Office was established here in 1850. Andrew Cromwell, present Post Master.”

  1856-history-of-rock-county/20-turtle.md, PDF p. 145 / book p. 129

  Guernsey, Orrin, and Josiah F. Willard, editors. History of Rock County, and Transactions of the Rock County Agricultural Society and Mechanics' Institute. Janesville, Wis.: William M. Doty & Brother, 1856. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871593.

  Grade A: Found on a page of one of our sources

  

• “THE EIKST POST OFFICE was established and opened in the village of Shopiere about 1850, Mr. S.”

  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

  

• “The schoolhouse was built in 1857. The only postoffice (at Shopiere) was established in 1850, with Andrew Cromwell as postmaster. In early days Shopiere was called Waterloo.”

  1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 204 / book p. 708

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources · may repeat 1856-history-of-rock-county, so not counted as independent