Catherine O’Hara cause of death: What happened hours before Home Alone star died, rare condition revealed and family's next steps

Catherine O’Hara cause of death: Beloved actress Catherine O’Hara has passed away at 71. Emergency services responded to a medical situation at her Los Angeles residence early Friday. She was taken to a hospital where she was pronounced dead hours later. Her agency stated she died after a brief illness. O’Hara was celebrated for her iconic roles in Schitt’s Creek and Home Alone.