Beloved Emmy-winning actress and comedian Catherine O’Hara has died at the age of 71, prompting an outpouring of grief from fans and colleagues around the world. Widely admired for her originality and warmth, O’Hara helped shape modern comedy through decades of unforgettable performances.

She was best known to many audiences as Kate McCallister, the frantic yet devoted mother in Home Alone. Her portrayal brought humor and heart to the holiday classic and made her a familiar presence in homes across generations.

Later in her career, O’Hara experienced a major resurgence with her role as Moira Rose in the acclaimed series Schitt’s Creek. Her eccentric, fearless performance earned widespread praise, multiple awards, and cemented her status as a cultural icon.

According to her manager, O’Hara passed away following a brief illness. While the specific cause of death has not been officially confirmed, reports indicate that paramedics were called to her Brentwood, California, home early Friday morning for a medical emergency.

She was transported to a Los Angeles hospital in serious condition, where she later died. The news spread quickly, leaving fans and fellow performers stunned by the sudden loss.

Tributes soon flooded social media. Macaulay Culkin, who played her on-screen son in Home Alone, shared a deeply emotional message, affectionately calling her “mama” and expressing regret that he didn’t have more time with her.

O’Hara is survived by her husband, production designer Bo Welch, and their two sons, Matthew and Luke. Those closest to her have remembered her as generous, fiercely creative, and deeply kind.

Her legacy spans film and television, defined by sharp wit, emotional depth, and characters that will endure. Catherine O’Hara’s influence on comedy remains profound, and her work will continue to bring laughter and connection for years to come.