Margaret Reilly-Petrone

Margaret Reilly-Petrone (Sister Margaret Mary, IHM) died on March 20, 2026 in Dove Canyon, California. She was born February 9, 1929 to James Patrick Reilly and Mary Burns Reilly in Los Angeles. Margaret attended Immaculate Heart of Mary grammar school in Hollywood and Immaculate Heart High School. In 1947 she entered the Immaculate Heart Religious Community.
After obtaining her PHD in Economics from Fordham University, she returned to Immaculate Heart College, where she taught Economics for four years. As the Immaculate Heart Community transitioned to a non-canonical ecumenical community, she made the decision to leave the Community. In 1970, Margaret accepted a Professorship and Chairmanship of the Department of Economics at Montclair State University in Montclair, NJ where she remained until the end of her teaching career in 1989, retiring as a Professor Emeritus.
In 1973, Margaret met James Petrone and they married in January, 1974 at St. Cassian's Church in Upper Montclair, New Jersey. In 1999, the couple moved to Dove Canyon, CA where they became active in San Francisco Solano parish in Rancho Santa Margarita. Margaret leaves her husband, James and many nieces, nephews and grand-nieces and grand-nephews.
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