Of Williamsville, New York passed away June 5, 2023, Age 87. Beloved wife of John W. Kostecki MD. Loving mother of Lynn (Michael) Kostecki- Csanyi, John W. Jr. (Susan) Kostecki, Susan (John) Griffin, Karen (Timothy) McMahon, Pamela (Edward) Clough. Dear grandmother of Alexandra, Ryan, John, Rachel, Jack, Mallory, Dillon, Connor, Nolan and Liam. Sister of Patricia (Richard) Szymanski and the late Eleanor Koziarski and Harold Graham. Also survived by many nieces and nephews. Family and friends may call on Friday June 9, 2023 from 5-8pm at PERNA, DENGLER, ROBERTS FUNERAL HOME 1671 Maple Rd. Williamsville, NY 14221. A Mass of Christian Burial will be celebrated on Saturday June 10, 2023 at 8:45am at St. Gregory the Great Church 200 St. Gregory Court Williamsville, NY 14221. Please assemble at church. Memorials may be made to the SPCA Serving Erie County or Niagara County SPCA in Marion's memory. Fond memories and condolences may be shared at www.denglerrobertspernafuneral.com.
