Catherine O'Hara Died From Pulmonary Embolism Linked to Cancer

Catherine O'Hara died at age 71 from a pulmonary embolism caused by rectal cancer according to a death certificate released in Los Angeles.The document revealed that the actor had been receiving treatment for cancer since March 2025 while keeping her diagnosis private.Colleagues including Macaulay Culkin and Eugene Levy shared tributes following her January 30 passing at a hospital in Santa Monica.