Mercedes H. Kostelnik's Obituary
Mercedes H. Kostelnik (Kubiak), 99, lifelong resident of South Side Slopes died peacefully on Friday, November 14, 2025. Preceded in death by her beloved husband Michael, daughter and son-in-law Michelle and Kenneth Jones, and son Curtis (surviving spouse, Teresa). Survived by her grandchildren Jennette (Eric) Small, Jonathan, Elisabeth and Angela Jones.
Services for Mercedes are private and have been entrusted to Jefferson Memorial Funeral Home.
Online Condolences can be submitted at https://www.Jeffersonmemorial.com
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