Mark G. Henthorn
September 28, 1957 - October 19, 2021
Mark Gregory Henthorn, 64, of Janesville, WI, passed away on Tuesday, October 19, 2021 at St. Mary’s Hospital in Madison. He was born on September 28, 1957 in Beloit, WI, the son of Herbert and Patricia (Olson) Henthorn. Mark was a 1975... View Obituary & Service Information