Catherine O’Hara’s cause of death has been confirmed. The Emmy Award–winning actor died of a pulmonary embolism, with rectal cancer listed as an underlying cause, according to the Los Angeles County Medical Examiner. O’Hara died January 30 in Los Angeles after being hospitalized earlier that morning. The full article breaks down the medical explanation behind her death and how officials reached their findings. 🔗 Tap the link in bio to read more. Post Fact Checked By: Cynthia Taylor Chavoustie, MPAS, PA-C Post Review Date: 2/12/26 Article Fact Checked By: Jill Seldadi-Schulman, Ph.D. Article Review Date: 2/09/26 Source: Mandy French (2026, February 09). Catherine O'Hara Died of Pulmonary Embolism and Rectal Cancer, Officials Say healthline.com/health-news/catherine-ohara-death-hospitalized-brief-illness #breakingnews #catherineohara #schittscreek #homealone #entertainmentnews #healthnews #pulmonaryembolism #cancerawareness #developingstory