Kathleen R. Yonkman

The funeral service will be live streamed from our Facebook page at https://www.facebook.com/SmitsFH

Kathleen Ruth Yonkman, nee Koenes, age 92, of St. John, IN, went home to her Lord and Savior on Sunday, September 14, 2025. Beloved wife of the late John Yonkman. Loving mother of Brian (Cynthia) Yonkman, Diane (David) Siersema, Debra (Scott) Heersema and Scott (Lynnette) Yonkman. Precious grandmother of Daniel (Carrie) Siersema, Laura (Philip) Mulder, Matthew (Ginnette) Yonkman, Elizabeth (David) Sitter, Andrew (Cassandra) Siersema and Steven (Allison) Yonkman. Proud great-grandmother to 16 and one on the way. Beloved aunt to many nephews and nieces. Preceded in death by her parents John and Elsie Koenes. Dear sister of Leonard (Carol) Koenes and Anna Jean (late Harold) Porte, and sister-in-law of the late Ruth (late Henry) Boer, and Joyce (late Theodore) Bear.

Kay grew up and lived most of her life in Lansing, IL. She was a devoted wife and mother, and worked as a bank clerk, a hairdresser and in various capacities at The Door Store in Munster. Kay was a longtime member of the First PCA Church (formerly First Reformed) in Lansing, where she attended faithfully. She was loved by many and will be dearly missed.

Visitation Friday, September 19, 2025 from 9:00 - 11:00 a.m. at Smits Funeral Home 2121 Pleasant Springs Lane (Rt.30/Pleasant Springs Ln.), Dyer, IN, with a funeral service to be held at 11:00 a.m. at the funeral home, with Rev. Wybren Oord officiating. Interment will be at Oak Ridge Cemetery - Lansing, IL. In lieu of flowers, contributions can be made to the First PCA of Lansing, IL, or to a cause of your choice.