Death certificate details reported cause of death of actress Catherine O’Hara

The article reports on the alleged death of award-winning actress Catherine O’Hara, stating that she died at the age of 71 in a Santa Monica hospital on 30 January. According to the text, her death certificate listed a pulmonary embolism as the immediate cause of death, with rectal cancer identified as a long-term underlying condition. It claims she had been undergoing treatment for cancer since March 2025.

The piece goes on to describe a wave of tributes from colleagues and collaborators across film and television. Seth Rogen, who worked with O’Hara on the Emmy-winning comedy The Studio, is quoted as expressing devastation at her passing and praising her talent, generosity, and intuition. Pedro Pascal, her co-star in HBO’s The Last of Us, is also cited as sharing an emotional message on Instagram, reflecting on her brilliance and the sense of loss he felt.

The article highlights O’Hara’s extensive career, particularly her acclaimed role as Moira Rose in the comedy series Schitt’s Creek, for which she won an Emmy Award. Eugene Levy, the show’s creator and her long-time collaborator, is quoted describing the honor of working with her for over five decades and expressing deep personal loss. Dan Levy similarly recalls her as family both on and off screen.

Additional tributes mentioned include a message from Macaulay Culkin, who portrayed her son in the Home Alone films, offering a deeply personal farewell. The article concludes by noting that O’Hara is survived by her husband, production designer Bo Welch, their two sons, and her siblings, and situates her legacy within a body of work that left a lasting mark on comedy and popular culture.