Catherine O’Hara’s Cause of Death Confirmed as Blood Clot

Award-winning actress Catherine O’Hara died from a pulmonary embolism, according to her US death certificate Catherine O'Hara's cause of dea….

O’Hara passed away on 30 January at a hospital in Los Angeles at the age of 71. In addition to the blood clot in her lungs, the certificate listed rectal cancer as a long-term cause of death. It stated she had been receiving treatment for cancer since March 2025 Catherine O'Hara's cause of dea…

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Tributes have been paid to the Canadian actress, who most recently appeared in the Emmy-winning comedy The Studio and the television series The Last of Us.

Actor and The Studio creator Seth Rogen described O’Hara as “hysterical, kind, intuitive, generous,” adding that “we’re all lucky we got to live in a world with her in it” Catherine O'Hara's cause of dea….

Pedro Pascal, her co-star on The Last of Us, wrote on Instagram that there was “less light” in his world following her death Catherine O'Hara's cause of dea….

O’Hara won an Emmy Award for best comedy actress for her role in the television series Schitt’s Creek, which ran for six seasons. Show creator and co-star Eugene Levy said he had the “honor of knowing and working with the great Catherine O’Hara for over fifty years” Catherine O'Hara's cause of dea….

Dan Levy, who portrayed her son in Schitt’s Creek, said she was “family before she ever played my family,” while Macaulay Culkin, her on-screen son in Home Alone and its sequel, shared an emotional tribute online Catherine O'Hara's cause of dea….

O’Hara is survived by her husband, Bo Welch, her sons Matthew and Luke, and her six siblings Catherine O'Hara's cause of dea….

What is a Pulmonary Embolism?