Keith R. Dumesic, 81 years old of Pleasant Prairie, WI passed away Friday, October 24, 2025, at Froedtert Pleasant Prairie Hospital. He was born December 15, 1943, in Kenosha, WI; then son of the late Joseph and Viola (Tenuta) Dumesic. He attended local schools and graduated from St. Joseph High School. Keith went on to work for various companies to support his family before beginning a career in law enforcement. He was a police officer from 1967-1982 with the Kenosha Police Department; he then became a detective with the department, retiring in 1995. Keith enjoyed spending time with his family and friends, gambling, playing cards, and watching the Green Bay Packers. He was proud of his grandchildren and loved being a part of their lives.Survivors include his children, Keith S. Dumesic, Karene (William) Lewis, and Keven (Betty) Dumesic; three grandchildren, Karlie (Mitchell) Rowan, and Benjamin and Danny Lewis; his sister, Frances Karwatka; and his longtime lady friend, Carolyn Denure.In addition to his parents, Keith was preceded in death by his best friend, Frank Trecroci. Visitation will be held from 12:00 p.m. – 2:00 p.m. on Monday, November 3, 2025, at Proko Funeral Home. A funeral service will commence at 2:00 p.m.