Kenneth T. Kostrzewski, 77, of South Beloit, IL, passed away on Sunday, August 27, 2023. He was born in Chicago on August 19, 1946 to Thadeous "Ted" and Grace Kostrzewski and moved from Wheeling, IL 25 years ago. He was a graduate of Austin High School in Chicago and proudly served in the Army during the Vietnam War. He was actively involved with Chicago Vets Roll and a Life Member with Amvets. He worked the majority of his career as an insurance adjuster with Bankers Insurance. Ken enjoyed singing with the Goldenaires Chorus and enjoyed reading, bingo, and watching birds.
He is survived by his sons, Kevin (Annalee) Kostrzewski and Todd Kostrzewski; and grandchildren, Catrin, Gabe and Luci. He is predeceased by his parents; wife, Mary-Ann Kostrzewski; and brothers, Dennis and Billy.
Graveside service with military honors will be at 10:00am on Saturday, September 2, 2023 in All Saints Cemetery, 700 N. River Road, Des Plaines, IL 60016. In lieu of flowers, memorials to the family.
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