LOS ANGELES — Macaulay Culkin remembered Catherine O'Hara as more than the actor who played his mother in the Home Alone films. To him, she was simply "mama". Macaulay joined O'Hara's Schitt's Creek co-stars Annie Murphy and Dan Levy on stage at Monday (Sept 14) night's Emmy Awards for an emotional tribute to the revered comic actor, who died Jan 30 at age 71. "She wasn't just a wife to Bo (Welch) and mother to Matthew and Luke," Macaulay said. "She was my mum. She was our mama, and by extension, she's all of our mama." Macaulay urged viewers to call their mothers and recalled how O'Hara continued to show up for him decades after they…
