Hollywood is mourning the loss of Catherine O’Hara. She died at the age of 71 on Friday.Actress Catherine O’Hara, best known for portraying Kevin McCallister’s devoted mother in the Home Alone films, has died at the age of 71. News of her death was confirmed by her representatives, who noted that the actress passed away after a brief illness.Her death prompted tributes from colleagues across the entertainment industry — including a deeply personal message from Macaulay Culkin, who played her on-screen son in the beloved holiday franchise.

Culkin shared his tribute on social media, posting photos of himself with O’Hara from both their time filming Home Alone and from later reunions. In the caption, he addressed her simply as “Mama,” a reference to her iconic role in his early career. “I thought we had time,” Culkin wrote, expressing regret and grief over her passing. His words made clear that their relationship extended far beyond their work together on screen.The two first met in the early 1990s, when Culkin was a child star and O’Hara was already an established performer. In Home Alone and its sequel, O’Hara portrayed Kate McCallister, the frantic yet fiercely loving mother determined to reunite with her son after he is accidentally left behind over the holidays. Her performance became one of the emotional anchors of the films, grounding the comedy with genuine warmth.