Mary Lou Xenakis, nee Allegro, 90, of Palatine. Devoted wife of the late John; beloved mother of John (Carole) Xenakis; adoring grandmother of Michelle (Nate) Dine, Patrick Xenakis and Jessica Xenakis; loving sister of Marion Randazzo, Fran Collins and the late Michael Gerambia and Bernice Clancy; dear sister in-law of Joan Xenakis and Josephine Gerambia; cherished aunt of Jeff, Char, John, Concetta G., the late Drew and Concetta C.; fond great aunt and friend to many. Visitation Tuesday January 10, 2017 from 3:00pm until 9:00pm at The Montclair-Lucania Funeral Home 6901 W. Belmont Avenue Chicago, where prayers will be said 9:00am Wednesday to St. William Church for a 10:00am mass of the resurrection. Rite of Christian burial will take place at Mount Carmel Cemetery, Hillside, IL. In lieu of flowers contributions to Breast Cancer Research appreciated.