Olsen, Margaret (nee Catalfamo) - January 10, 2018 - Beloved wife of the late Dean Olsen Sr.. Devoted mother of Dean Jr. (Kathy), Michael (Bridget), Andrew (Janine) Olsen and late Marlene Hourihan and Franklin Scott Olsen. Mother in law of Michael Hourihan, Sandy and Mary Olsen. Cherished grandmother of fifteen grandchildren and twenty great grandchildren. Dear sister of Anthony (Patricia) Catalfamo and the late Carmen (Mary) Catalfamo and Phyllis (Pat) Fonzi. Loving aunt of many nieces and nephews. All are invited to attend a Memorial Mass at St. John the Baptist Church (1085 Englewood Ave.) on Saturday at 12:30 PM. Arrangements by C. Mertz and Son Funeral Home, Inc.. Share condolences at www.mertzfh.com