Kathleen Ann Castiller

Kathleen Ann Castiller, 68, of Belleville, IL, born Saturday, April 5, 1958, in East St. Louis, IL, passed away Friday, August 28, 2026 with her sister and longtime friend, Carol by her side at Evercare of Swansea, IL.

Kathleen loved to ride bicycles, was a cat fanatic, and a long time personal healthcare assistant at the PSOP. She touched the lives of many with her kind and loving nature. A blessing to all who knew her. Godspeed my precious sister. My angel.

She was preceded in death by her:

• Parents: Leonard and Dorothy, nee Radisic, Castiller
• Sister: Tracy Castiller

Surviving is her:

• Sister: Michele (Richard) Hochreiter of Orlando, FL

Memorials: Memorials may be made to the Belleville Area Humane Society.

Services: Private Internment will be held.