Russell A. Fleischer, age 71, of Mayville passed away on Friday, January 1, 2021 at his home in Mayville.Russ was born the son of Gerald and Charlotte (Olson) Fleischer on June 12, 1949 in Milwaukee. He was united in marriage to Margaret Walczak on April 3, 1971 in Mayville. Russ was employed at Ru-Mar Manufacturing in Mayville. In his spare time, he enjoyed hunting, boating, gambling, Wisconsin sports, and WWE wrestling. Russ also cherished the time spent with family.Russ is survived by his wife Margaret of Mayville. His daughters- Tami (George) Jacob of Lomira, Tricia Ballbach of Fox Lake, and Melissa (Ali) Kamberi of Prairie du Chien. His siblings- Dennis (Mari) Fleischer of Horicon and Christine Stortz of West Bend. His 9 grandchildren and 4 great grandchildren. Further survived by other relatives and friends.He was preceded in death by his parents, brother Joel, sister Jeri Ziegler, and great grandson Hunter.No formal services will be held.