Alfred L. Field served as postmaster.

The evidence

• “Alfred L. Field, 1841; Dav id Noggle, 1845;”

  1856-history-of-rock-county/06-beloit.md, PDF p. 76 / book p. 58

  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

  

• “Then there was but one mail a week each way ; there are now eight per day received and sent out, all of which, with one exception, are received via the North- Westernand Western Union Railroads — the exception being a daily mail received by stage from Janesville. Following is a list of the gentlemen who have, at various times, fulfilled the onerous duties of Postmaster : 1839, John Hackett ; 1840, Selvy Kidder ; 1841, Alfred L. Field ; 1845, David Noggle ; 1847, W.”

  1879-history-of-rock-county/15-rock-county-ch09-beloit.md, PDF p. 625

  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 · may repeat 1856-history-of-rock-county, so not counted as independent