- Date Of Birth: April 7, 1962
- Date Of Death: February 5, 2023
- State: Missouri
Catherine “Cathy” Ann Sirko passed away on February 5, 2023 at the age of 60. She is survived by her son, Jason Markezich of O’Fallon, MO; her mother, Cecilia (Knight) Collier, two sisters, Patricia (Bob) Muich and Rebecca Turan; two brothers, Jon (Judy) Collier and Benjamin (Tiffany) Sirko; two grandchildren, Jacob and Abigail Markezich; seven nieces and nephews, Chelsea, Michaela, and Rebecca Muich, Stella and Sophie Turan, Staff Sgt. Jonathan (KyoungOk “Kay” ) Collier and Jillian Collier; She is preceded in death by her father, John Sirko, brother, Benjamin Gerard Sirko.