Theresa Sullivan

Theresa worked in the restaurant industry for most of her career. She enjoyed many things over the years, but her favorites were to go shopping whenever she could and travel with Michael.

She was preceded in death by, her parents.

Theresa is survived by, her husband, Michael Sullivan; her son, John (Fiona) Sliwicki; two grandchildren, Parker and Fiona; 8 siblings, Pam (Mike) Plaza, Richard Glad, Thomas Glad, Debbie, Donna (Louis) Porretta, Linda Markgraf, Pat Glad and Mary White. As well as many nieces, nephews’ other family and friends.

A Church visitation for Theresa will be held on March 10, 2026, from 9:00 am to 10:00 am at St. James Catholic Church, 831 N Arlington Heights Rd, Arlington Heights, IL 60004. A Mass of Christian Burial will follow the visitation at 10:00 am at the church.

The interment will take place at All Saints Cemetery, 700 N River Rd, Des Plaines, IL 60016, immediately following the Mass.