Home Alone star Macaulay Culkin revealed how Catherine O'Hara's death has affected him, admitting he had "unfinished business" with O'Hara, who played Kate McCallister, the mother of Culkin's Kevin McCallister, in Home Alone and Home Alone 2: Lost in New York. Macaulay Culkin says he felt like he owed Catherine O'Hara a favor when she died in January. MEGA Culkin recently sat down for an interview with Gentleman's Journal and spoke about the loss. "When Catherine passed away in January... that hit me pretty good, 'cause, you know, it was just too soon.