Kelley Mack passed away on August 2, 2025, aged 33, after battle with central nervous system glioma, a rare and aggressive form of brain cancer.

A memorial service will be held in her honor on August 16, 2025, at the Glendale Lyceum in Glendale, Ohio.
Additionally, a celebration of life will also take place in Los Angeles to commemorate her contributions to the Hollywood industry.
Kelley Mack’s passing has been met with an outpouring of tributes and condolences from fans and industry colleagues.
One of her notable works is in “The Walking Dead,” [/b]where she played the role of Addy in Season 9.