DUNCAN, Dorothy A. (Mello). Of Brighton passed away peacefully on June 7, 2026. Loving mother of Jeffrey S. Duncan and his late wife Parveen of Belmont and Denise Duncan-DiRienzo and her husband Michael of West Roxbury. Adored "Grandma" of Sabir, Brooke, Joseph and Scott. Devoted daughter of the late Ernest and Lorette Mello. Dear sister of Alice Hynes and her late husband James of FL., Richard Mello and his wife Ann and Patricia Brown and her husband Ken all of Norfolk, Roger Mello and his wife Theresa of Shirley, and the late Robert Mello and his surviving wife Marjorie of West Roxbury and Ernest "Ernie" Mello and his surviving wife Linda of NH. Also survived by many cherished nieces and nephews. Funeral from the Bell-O'Dea Funeral Home, 376 Washington St., BROOKLINE, on Friday June 12, 2026, at 10:00 followed by a Funeral Mass in St. Mary of the Assumption Church, Brookline at 11:00. Relatives and friends are kindly invited. Visiting hours in the funeral home on Thursday June 11th from 4:00 – 7:00. Interment St. Joseph Cemetery. Retired employee of the New Balance Co., Brighton.