Catherine O’Hara’s cause of death confirmed – secret cancer battle and underlying issues

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Catherine O’Hara’s cause of death confirmed – everything we know – The Mirror

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Home Alone star Catherine O’Hara died on January 30 after a ‘medical emergency at her home and it’s now been revealed she had battled cancer

20:45, 09 Feb 2026

Catherine O’Hara’s cause of death has been confirmed(Image: Variety via Getty Images)

Catherine O’Hara’s Cause of Death Revealed – What You Need to Know

  • The official cause of death for beloved Home Alone actress Catherine O’Hara has been confirmed as pulmonary embolism, with rectal cancer listed as the underlying cause.
  • The 70-year-old star died on January 30 after suffering a medical emergency at her Brentwood home. Her representatives said she died “following a brief illness”.
  • Sources claimed that “it was not widely known” that the late actress had any major health issues. She had missed the Golden Globes, where she was nominated for her Apple TV+ series role.
  • Prior to her death, Catherine spoke about a rare heart condition, saying: “I’m a freak” when describing her cardiac inversus. She added: “I love Western medicine, I just don’t want to be part of it.”
  • Macaulay Culkin, who played her son Kevin in Home Alone, issued a heartbreaking tribute. He said: “Mama. I thought we had time. I wanted more.”
  • Fans had noticed Catherine looking slimmer at recent award ceremonies, with sources saying she appeared “very slender” at events. However, she was described as being “in great spirits” during her final public appearances.
  • Catherine is survived by her husband, Bo Welch, sons Matthew and Luke, and six siblings.

READ THE FULL STORY: Catherine O’Hara’s cause of death confirmed after rectal cancer battle

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