Article continues below advertisementCatherine O'Hara died on Friday, January 30, two sources with direct knowledge told TMZ. The cause of death remains unclear. O'Hara played Macaulay Culkin's mother in the first two Home Alone movies, and she became a fan-favorite after playing Moira Rose in Schitt's Creek. Article continues below advertisementMORE ON:BREAKING NEWSKim Cattrall Mourns The Loss Of Mother Gladys Shane Baugh - Read Her Tribute'M*A*S*H' Star Loretta Swit Dead at 87'She Had A Good Run': Martha Ruth Haworth, A.K.A.