Catherine O'Hara's cause of death has been revealed. The actress died of a pulmonary embolism, according to her death ...
Catherine O’Hara died from a pulmonary embolism, with rectal cancer as the underlying cause. A Los Angeles County death ...
Catherine O'Hara's cause of death — and a private battle with cancer — has come to light weeks after the 'Schitt's Creek' and 'Home Alone' star died at 71.