Catherine O'Hara, the beloved Canadian-American actress famous for her roles in 'Home Alone' and 'Schitt's Creek,' has been confirmed to have died from a pulmonary embolism, with rectal cancer serving as the underlying cause. O'Hara passed away at her home in Los Angeles at the age of 71 in January. According to her death certificate, pulmonary embolism occurs when a blood clot blocks an artery in the lungs, a condition that ultimately led to her untimely death.

The death certificate, signed by her oncologist, indicated that O'Hara had been receiving treatment for rectal cancer since March of the previous year. The oncologist last evaluated her on January 27, just days before her passing. This tragic news comes as a shock to her fans and the entertainment community, highlighting the impact of her career and the affection held for her as a talented artist and brilliant performer.

O'Hara garnered significant accolades for her portrayal of the eccentric Moira Rose on the hit series 'Schitt's Creek,' winning an Emmy award in 2020. Her role as Kevin's mother, Kate McCallister, in the classic 'Home Alone' films remains unforgettable. With her passing, O'Hara leaves behind a legacy cherished by audiences, reminding us of the fragility of life and the importance of health awareness, particularly concerning serious illnesses like cancer.