Mary Stivala Peterson ’73, a resident of Belmont from 1951 to 2012, passed from this world on July 28, 2012, at home surrounded by her family after a two-year battle with cancer. Mary was born in East Palo Alto in December of 1951. She attended St. Albert’s Elementary School in Palo Alto, Notre Dame High School in Belmont, and Santa Clara University where she majored in Psychology. Mary went to work for the San Mateo Probation Department after graduation where she had a thirty year career retiring as a supervising probation officer. During her time at the probation department she met her husband Stewart. They had three children, Jeffrey 26, Gregory 24, and Kerry 21. Family was always the most important thing to Mary. It could truly be said that her life was a joyous celebration of life and family. She is survived by her parents Paul and Betty Stivala of East Palo Alto, her brothers, Paul, Steve, and Robert and her sister Jean.