Casimir Pustelnik, age 81, passed away on November 4, 2022. Beloved husband of Christiana (nee Kowalczyk). loving father of Casimir Jr. Pustelnik and Kimberleigh (Frank) Bellamia. Devoted grandfather of Kristin and Karri Bellamia and fond uncle of many nieces and nephews. Visitation will take place on Tuesday, November 8, 2022 from 10:00 am until time of Funeral Mass at 11:00 am at St. Rosalie Church 6750 W Montrose Ave, Harwood Heights, IL 60706. Interment will private.