The news of Catherine O’Hara’s death on Friday was felt deeply by friends, fans and colleagues, who paid tribute to the “Home Alone” and “Schitt’s Creek” star on social media.O’Hara’s “Home Alone” co-star Macaulay Culkin was among the most notable of her co-stars to pay tribute, and his heartbreaking Instagram post began, “Mama. I thought we had time.”Other friends, colleagues and admirers quickly followed suit on Instagram and X, formerly Twitter:This is shattering news. What a wonderful person, artist and collaborator. I was lucky enough to direct, produce and act in projects with her and she was simply growing more brilliant with each year. My heart goes out to Bo & family. #RIPCatherineO’Hara https://t.co/7pWcpYARai— Ron Howard (@RealRonHoward) January 30, 2026From SCTV to Home Alone to her unforgettable role as Moira Rose on Schitt’s Creek, Catherine O’Hara was a beloved Canadian icon with a rare gift for comedy and heart. She made people laugh across generations and helped bring Canadian storytelling to the world in a way only she… pic.twitter.com/tO72Xy3yqp— Justin Trudeau (@JustinTrudeau) January 30, 2026Only one Catherine O'Hara, and now none. Heartbreaking.— Michael McKean (@MJMcKean) January 30, 2026Catherine O’Hara changed how so many of us understand comedy and humanity. From the chaos and heart of Home Alone to the unforgettable precision of Moira Rose in Schitt’s Creek, she created characters we’ll rewatch again and again.— Kevin Nealon (@kevin_nealon) January 30, 2026I’m so sorry to hear the news that Canadian comedy legend Catherine O’Hara has passed away at 71. She’s kept me and millions of others entertained throughout my lifetime — from her brilliant work on SCTV, to Home Alone, Beetlejuice, Best in Show, Schitt’s Creek, and so many other… pic.twitter.com/ZRHKYRjEDS— Tom Green (@tomgreenlive) January 30, 2026Heartbroken doesn’t even begin to cover it.Catherine O’Hara was one of a kind. A rare light in this world and her passing hits with a weight I can’t fully put into words.She wasn’t just a legendary artist,actor and comedian. She was an ambassador for Canada in the truest… pic.twitter.com/06jGk7OyCP— Michael Bublé (@MichaelBuble) January 30, 2026Close