A town in the northwestern part of the county was incorporated by the name of Oak (its boundaries and name were changed the next year).

The evidence

• “This town lies in the northwestern part of the county, its northern boundary separating it from the county of Dane. By an act of the Legislature, approved February 2, 1846, it was incorporated by the name of Oak. At the next session, an act was approved changing its boundaries and name.”

  1879-history-of-rock-county/13-rock-county-ch07-town-histories.md, PDF p. 518 / book p. 522

  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

  

• “an act of the legislature, approved February 2, 1846, it was incorporated by the name of Oak. At the next annual session, February 2, 1847, an act was approved changing its boundaries and name.”

  1908-brown-rock-county/31-smaller-cities-villages-towns.md, Vol. 2, PDF p. 200 / book p. 704

  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 1879-history-of-rock-county, so not counted as independent