News of Catherine O’Hara’s rectal cancer brings hope of more awareness Toronto StarCause of death for Canadian actress Catherine O’Hara revealed CTV NewsCatherine O’Hara Cause of Death Revealed TMZCatherine O’Hara died of blood clot in lung, says L.A. Medical Examiner’s Office CBCO’Hara remained proudly Canadian despite living in L.A. Winnipeg Sun
