Pacheco, Maria L. (Da Costa) of Arlington, November 22, 2017 at age 74. Devoted wife of 52 years to Manuel B. Pacheco. Loving mother of Marie Pacheco and her husband Joao, Helen Pereira and her husband Luis, Joanna Loukeris and her husband Charlie, Joseph Albert Pacheco and his wife Shawna. Beloved sister of Maria Pimentel and Fernanda Pimentel. Also survived by 10 Grandchildren, nieces, nephews, many other loving relatives and friends. Funeral from the Rogers & Hutchins Funeral Home, 292 Massachusetts Ave., in Arlington on Monday, November 27, 2017 at 7:45 am. Funeral mass at St. Anthony’s Church, 400 Cardinal Medeiros Ave., in Cambridge at 9:00 am. Visiting hours at the funeral home in Arlington on Sunday, November 26, 2017 from 12:00 to 4:00 pm.