Served on the Iowa Supreme Court from January 1, 1900, until December 31, 1912. For two years he was Chief Justice.
Born at Berlin, Ohio, February 6, 1851. When an infant he came with his parents to LaCrosse, Wisconsin, In 1875 he was graduated from the Law Department of the University of Wisconsin. In 1876 he came to Iowa, locating at Mason City, where he entered upon the practice of law. He served in various public capacities in Mason City, including that of mayor.
In 1888 he was appointed a Judge of the District Court, where he continued to serve until coming on the Supreme Court. After retiring from the court he continued to reside in Mason City.
Justice Sherwin died at Mason City February 3, 1919.