According to the state’s historical society, Jacques Marquette first described the region in 1673. The cursive M was later misread as a W by Rene Robert Cavelier.

The meaning of the word was discussed:

However, the hypothesized meanings were derived incorrectly from the Ojibwe language, not Miami, because the latter had not yet been mastered by modern scholars.

Another possible origin for Wisconsin's name was mentioned to WPR in 2019 by University of Wisconsin-Green Bay elder in residence and member of the Menominee tribe, Napos. He said he "was always told the name came from the Menominee word 'Wēskōhsaeh.'"

The first part of that word come from the word "Wis-cu," which Napos told WPR means "something good." The ending of "Wēskōhsaeh" is locative, meaning "'a good place to camp,' or 'to make a clearing' or 'to basically live.'"