Gary G. Simmerman, 79, of Waterloo, died Sunday, January 5, 2020, at UnityPoint Health – Allen Hospital.

He was born November 6, 1940 in Rogersville, MO, son of Glenn and Susie (Siler) Simmerman.

Gary married Marlene Neelans on April 14, 1964 in Vinton; she preceded him in death on April 15, 2000.

He was a machinist at John Deere for many years until retirement.

Gary was a member of the UAW #838. He enjoyed watching classic westerns on tv, trips to the casino, and woodworking. He loved going on car rides.

Survived by two sons, Ken (Kristi) Simmerman and Ronny Simmerman; daughter, Tammy Gram; son-in-law, Kim Cordes all of Waterloo; eight grandchildren, Amber (Andy) Brauner, Nicole Simmerman, Jessica Simmerman, Brad (Emily) Cordes, Dan Cordes, Eric McLaughlin, Nathan McLaughlin, and Bobbi Jo Gram.

Preceded in death by his parents, wife, Marlene; daughter, Pam Cordes; son, John Meyers; two sisters, Mary Uchtman and Virginia Williams; and brother, Roy Simmerman.