Patricia B. Kallas (nee Berscheid), 84, of Bartlett for 48 years, passed away with her family at her side Friday, April 21, 2023. An avid Cubs fan who enjoyed bowling and Bingo, Pat was the lunch supervisor at Wayne Elementary School for over 30 years. Beloved wife of the late Jerome "Jerry"; loving mother of Geoff (Tabitha) and Michelle (Matt) O'Brien and the late Jason; proud grandmother of Lucas and Benjamin; dear sister of Judi Zemaitis and Jim (Maureen) Berscheid. Visitation Friday, April 28 from 8:30am until time of prayers at 10:45am at Countryside Funeral Home and Crematory 950 South Bartlett Rd. (at Stearns Rd.), Bartlett, to St. Peter Damian Church. Mass 11:30am. Cremation private at Countryside Crematory. In lieu of flowers memorial to St. Jude Children's Research Hospital at www.stjude.org are appreciated. Info (630)289-7575