JUST IN: Catherine O’Hara Cause of Death Revealed Hollywood actress Catherine O’Hara died last month at the age of 71 after a brief illness at her Los Angeles home. Her cause of death was determined to be a pulmonary embolism, with rectal cancer listed as the underlying cause. O’Hara was known for her iconic roles in “Home Alone” and “Schitt’s Creek.”

• Catherine O’Hara, known for “Home Alone” and “Schitt’s Creek,” passed away last month at 71.
• She died at her Los Angeles home after a brief illness.
• The official cause of death was a pulmonary embolism, with rectal cancer as the underlying cause.
• Paramedics responded to her Brentwood home early Friday morning before her death.
• She won an Emmy for her role as Moira Rose on “Schitt’s Creek.”