
Catherine O’Hara: Death certificate confirms pulmonary embolism as the cause, cancer listed as long-term illness
Catherine O’Hara, 71, died in a Santa Monica hospital; the death certificate lists a pulmonary embolism as the immediate cause and rectal cancer as the long-term illness she had been treated for since 2025; tributes poured in from colleagues celebrating her work on Schitt’s Creek and Home Alone.













