MAZOMANIE - Duane L. Cowley, age 85, of Mazomanie, passed away peacefully on Saturday, November 16, 2024, at Beehive Homes, surrounded by his loving family. He was born on June 13, 1939, in Richland Center, the son of Leslie and Irene (Ziebarth) Cowley. He was united in marriage to Joan Harris on July 31, 2003.