Kathy O'Sullivan, nee Kutz, of Westchester, age 76. Kathy is reunited with her beloved husband, the late John J. O'Sullivan, after his passing last year, they shared a beautiful marriage of 55 years. She was the loving mother of Tracy (Robert) Fleischer and Rebecca O'Sullivan (partner Brandon Madrid); proud grandmother of Shawn, Ryan and Samantha; surrogate sister to JoBelle Baldonado; dear sister-in-law to the O'Sullivan family; fond aunt of John, Cathy, Peggy, Paul, Ann and the late Debbie and Patty; cousin of Lou and Donna and a devoted friend to many. Kathy taught in the Berkeley School District for 34 years. She was the loving owner of her loyal dog Mollie and she enjoyed spending summers at the lake. She cherished being with her family, but her greatest joy was spending time with her grandchildren. Family and friends will be received at the Conboy-Westchester Funeral Home, 10501 W. Cermak Rd., Westchester on Thursday, January 25, 2024 from 1:00 p.m. to 2:00 p.m., then proceeding to Queen of Heaven Cemetery for a chapel committal service. A celebration of life will be announced at, and take place immediately following the committal. For funeral info: 708-F-U-N-E-R-A-L.