John M. Stack
American politician in Wisconsin

John Michael Stack (April 27, 1852 – May 10, 1927) was an American farmer, insurance agent, and politician.
Born in the town of Forest, Fond du Lac County, Wisconsin, Stack went to the local schools. He was a farmer and insurance agent. He served on the Osceola Town Board and on the Osceola School Board. Stack also served on the Fond du Lac Board of Supervisors. In 1893, Stack served in the Wisconsin State Assembly as a Democrat. In 1923, Stack and his wife moved to Fond du Lac, Wisconsin. He died at his home in Fond du Lac, Wisconsin.
Stack was the brother of Stephen Sylvester Stack (1858–1932), a prominent Milwaukee physician, and James Langford Stack (1873–1928), a wealthy advertising agency owner, as well as the uncle of the actor Robert Stack (1919–2003).
The public source identifies “John M. Stack” as american politician in Wisconsin. This brief keeps that definition visible, then builds a research path around John, Stack and American.
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Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Jul 23, 2026. The linked authority identifier is Q23618104. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1852, 1927, 1893 and 1923.
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This entry incorporates text from “John M. Stack” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.