A Los Angeles County death certificate issued Monday lists the pulmonary embolism, which occurs when a blood clot blocks an artery in the lungs, as the immediate cause of the actor’s Jan. 30 death at age 71. Rectal cancer was the long-term cause.
The oncologist who signed off on the certificate indicated that he had been treating O’Hara since March of last year, and last saw her on Jan. 27. She died at a hospital in Santa Monica, California.
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The beloved Canadian-born comic actor and “SCTV” alum starred as Macaulay Culkin’s mother in two “Home Alone” movies and won an Emmy as the dramatically oblivious wealthy matriarch Moira Rose in “Schitt’s Creek.”
Her death was a surprise to most, and an initial statement from her representatives said only that she died “following a brief illness.”
Collaborators, including Culkin, Christopher Guest, Eugene Levy and Pedro Pascal, paid her loving tribute after her death.
The document said she was cremated. It lists her profession as “actress” and her business as movies. It said she practiced her trade for 50 years.