In early September 2019, Haig was hospitalized after falling at his home in Los Angeles. While recovering, he suffered from a lung infection. He died on September 21, 2019 from cardiopulmonary arrest caused by COPD and bowel obstruction at the age of 80.
- Carle, Chris (2005-07-17). "Comic-Con 2005: IGN Interviews Sid Haig". IGN. Retrieved 2008-03-10.
- "Sid Haig's Wife Shares Positive Health Update For The Actor". ScreenGeek. September 14, 2019.
- "'Jackie Brown' and 'House of 1000 Corpses' star Sid Haig has died". Yahoo Sports. September 23, 2019.
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