Catherine O'Hara has passed away at the age of 71.The Canadian Hollywood legend passed away Friday; the cause of death has not yet been released, a source told TMZ.Page Six in the New York Post revealed O'Hara was rushed to a hospital in Los Angeles in “serious” condition," paramedics were called to the star's Brentwood home at 4:48 a.m. Friday.She later died at the hospital.O'Hara became a household name when she starred in the Home Alone films in the 1990s. She also starred in all 80 episodes of Schitt’s Creek as Moira Rose..O'Hara was born in Toronto, where she started her career at Second City Toronto, as a waitress.Eventually, in 1974, without any formal training, she joined the cast of Second City Television (SCTV), a Canadian sketch comedy show.She then starred in Tales from the Crypt, The Larry Sanders Show, Curb Your Enthusiasm, Six Feet Under, and 30 Rock, while also hosting SNL twice. O'Hara won her first Emmy in 1982 for her writing on SCTV..Another of her most notable films was 1988's Beetlejuice, where she met her husband, production designer Bo Welch.The pair got married in 1992 and had two sons.Pierre Poilievre wrote on X of his shock at O'Hara's death."Anaida and I are deeply saddened to learn of the passing of Canadian comedic legend Catherine O’Hara."."Through decades of unforgettable performances from SCTV to Home Alone to Schitt’s Creek, she brought joy and laughter to generations of Canadians and showed the best of Canadian talent to audiences around the world.""Her talent and warmth left a lasting mark on our culture. My thoughts are with her family, friends, and all who loved her work." Poilievre stated. Poilievre was not the only one to express his condolences, Courtney Theriault, a Canadian podcaster, did the same.Theriault reminisced on her SCTV days on X, with a clip of "Catherine O'Hara playing softball in Edmonton back in 1982 when SCTV was filmed in the city."