[Warning: Potentially Triggering Content] So sad. Katherine Short's cause of death has been released, and it's heartbreaking. Martin Short's daughter, who legally changed her name to Katherine Hartley, was found dead in her home last week, and a note was left behind on the scene, though it's unclear what it said. Initial reports claimed she died by suicide, and now that has been confirmed. Related: The Sad Link Between Katherine & Rob Reiner's Son Nick Her death certificate, released by the LA County Department of Public Health and obtained by TMZ on Tuesday, noted she died from a self-inflicted gunshot wound to the head. She was just 42. Just devastating. The death certificate also detailed that she has been cremated. Katherine reportedly struggled with her mental health over the years, but one of her close friends told TMZ she had been acting normally up until her death. Martin has stayed out of the public eye since the news. Our hearts go out to him and the whole family as they mourn this tragedy. If you or someone you know is contemplating suicide, help is available. Consider contacting the 988 Suicide & Crisis Lifeline at 988, by calling, texting, or chatting, or go to 988lifeline.org. [Image via MEGA/WENN] The post Martin Short's Daughter Katherine's Heartbreaking Cause Of Death Confirmed appeared first on Perez Hilton.