Catherine Mary Siwek, nee Drewniak, was born on October 4, 1920 in Chicago, IL and passed away June 14, 2014. Beloved wife of the late Casimir; loving mother of Ray (Vicki) and Gerry (Darlene); dear grandmother of Jeff (Lucy); cherished great-grandmother of Vincent; loving daughter of the late Walter and Mary Drewniak and sister of the late John Drewniak. Visitation Tuesday, June 24, 9:00 AM to the Time of Prayers 10:30 AM at Kolbus-John V. May Funeral Home 6857 W. Higgins Ave., Chicago. Mass of Christian Burial 11:00 AM at St. Monica Church. Interment St. Adalbert Cemetery, Niles. For info. 773-774-3232 or www.kolbusmayfh.com