The Schitt's Creek and Home Alone actress died last month in a US hospital, at the age of 71.
Watch LiveBritish Broadcasting CorporationHomeNewsSportBusinessTechnologyHealthCultureArtsTravelEarthAudioVideoLiveDocumentariesHomeNewsUS & CanadaUKUK PoliticsEnglandN. IrelandN. Ireland PoliticsScotlandScotland PoliticsWalesWales PoliticsAfricaAsiaChinaIndiaAustraliaEuropeLatin AmericaMiddle EastIn PicturesBBC InDepthBBC VerifySportBusinessWorld of BusinessTechnology of BusinessNYSE Opening BellTechnologyWatch DocumentariesArtificial IntelligenceAI v the MindHealthWatch DocumentariesCultureWatch DocumentariesFilm & TVMusicArt & DesignStyleBooksEntertainment NewsArtsWatch DocumentariesArts in MotionTravelWatch DocumentariesDestinationsAfricaAntarcticaAsiaAustralia and PacificCaribbean & BermudaCentral AmericaEuropeMiddle EastNorth AmericaSouth AmericaWorld’s TableCulture & ExperiencesAdventuresThe SpeciaListEarthWatch DocumentariesScienceNatural WondersClimate SolutionsSustainable BusinessGreen LivingAudioPodcast CategoriesRadioAudio FAQsVideoWatch DocumentariesBBC MaestroDiscover the WorldLiveLive NewsLive SportDocumentariesHomeNewsSportBusinessTechnologyHealthCultureArtsTravelEarthAudioVideoLiveDocumentariesWeatherNewslettersWatch LiveCatherine O'Hara's cause of death confirmed as blood clot8 hours agoShareSaveTabby WilsonShareSaveGetty ImagesAward-winning actress Catherine O'Hara died of a pulmonary embolism, her death certificate in the US has revealed.
O'Hara died on 30 January in a Los Angeles hospital, at the age of 71. In addition to the blood clot in her lungs, the death certificate listed rectal cancer as the long-term cause of death.
It was indicated that she had been receiving treatment for the cancer since March 2025.
Tributes have poured in for the Canadian actress, who most recently appeared in the Emmy-winning comedy The Studio and The Last of Us.
Actor and The Studio creator Seth Rogen said he was devastated by O'Hara's death, describing the actress as "hysterical, kind, intuitive, generous".
"We're all lucky we got to live in a world with her in it," he said.
Actor Pedro Pascal, who worked with O'Hara on The Last of Us, wrote on Instagram: "Oh, genius to be near you. Eternally grateful. There is less light in my world, this lucky world that had you, will keep you, always."
The actress starred in six seasons of comedy series Schitt's Creek, for which she won an Emmy for best comedy actress.
Show creator and co-star Eugene Levy told People magazine that he has had the "honor of knowing and working with the great Catherine O'Hara for over fifty years".
"Words seem inadequate to express the loss I feel today," he said.
Co-creator Dan Levy, who played O'Hara's son David, described her as "family before she ever played my family".
He added on Instagram that he would "cherish every funny memory I was fortunate enough to make with her".
O'Hara's on-screen son in holiday classics Home Alone and Home Alone 2: Lost In New York, Macaulay Culkin, also paid an emotional tribute on Instagram.
"Mama. I thought we had time. I wanted more. I wanted to sit in a chair next to you," he wrote.
"I heard you. But I had so much more to say. I love you. I'll see you later."
O'Hara is survived by her husband Bo Welch, her sons Matthew and Luke, and her six siblings.
According to the NHS, a pulmonary embolism is a life-threatening condition th
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