Martin Short's daughter, Katherine Hartley Short, has died at age 42. Her death has been ruled a suicide. A rep for Martin confirmed Katherine's death in a statement to Us Weekly on Tuesday, February 24, 2026. "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," the statement read. "Katherine was beloved by all and will be remembered for the light and joy she brought into the world.