The entertainment world is mourning the loss of Katherine Short, daughter of acclaimed comedian and actor Martin Short, who has tragically passed away at the age of 42. Her family confirmed the devastating news on February 24, 2026, expressing profound grief and requesting privacy during this incredibly difficult time.

A representative for the Only Murders in the Building star released a statement, saying, "It is with profound grief that we confirm the passing of Katherine Hartley Short. The Short family is devastated by this loss and asks for privacy at this time. Katherine was beloved by all and will be remembered for the light and joy she brought into the world." Martin Short also shared a heartfelt tribute on social media, describing Katherine as "the light of our lives full of warmth, kindness, and a joy that touched everyone she met." Following the news, several upcoming dates for Martin Short's comedy tour with Steve Martin, including shows scheduled for February 27 in Milwaukee and February 28 in Minneapolis, have been postponed.

Katherine Hartley Short was a dedicated licensed clinical social worker, having earned a bachelor's degree from New York University and a master's from the University of Southern California. She worked in private practice and was actively involved with the charity Bring Change 2 Mind, an organization committed to reducing the stigma surrounding mental illness. She was the eldest of three children Martin Short adopted with his late wife, Nancy Dolman, who passed away in 2010. Law enforcement sources, as reported by multiple outlets, indicated that Katherine Short died by apparent suicide on Monday, February 23, at her Hollywood Hills home. Several news outlets, in reporting Katherine Short's death, have included information about resources for those in distress.