Joan Koester Obituary
Joan Koester, passed away on January 12, 2026, at the age of 82. Born on November 12, 1943, Joan was a dedicated wife, mother, grandmother, and great-grandmother who brought joy and warmth to all who knew her.
Joan is survived by her husband, Donald Koester; sons Scott Conway and Bryan Conway; grandchildren Eric (Tiffany) Conway and Dylan (Mackenzie) Conway; and great-grandchildren Mason, Daxson, Emersyn, and Adelynn Conway. She is also survived by her sister, Terri Hudson, along with a host of other family members and friends who will deeply miss her presence.
Throughout her life, Joan had a profound love for her family, often cherishing the moments spent with her grandchildren and great-grandchildren. Her nurturing spirit extended to her dog, Gidget, who was a constant companion and source of comfort.
Joan was preceded in death by her father, Harry E. Winn, Jr.; mother, Iris D. Winn; and brother, Robert Winn. The legacy she leaves behind is one filled with love, devotion, and cherished memories that will live on in the hearts of those she touched.
To plant trees in memory, please visit the Sympathy Store.
837 Mid Rivers Mall Drive, Saint Peters, MO 63376
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