Actor Catherine O’Hara died of a blood clot in her lungs, death certificate says

Catherine O'Hara poses for a portrait to promote The Studio on 20 March 2025, in Los Angeles. Photograph: Chris Pizzello/Invision/AP

Catherine O’Hara, the Emmy-winning actor and beloved star of the series Schitt’s Creek and the 1990 hit movie Home Alone, died from a blood clot in her lungs, her death certificate revealed Monday.

The death certificate released by the Los Angeles county medical examiner’s office also listed rectal cancer as an underlying cause.