Diaz, Abraham age 55 of Dorchester, formerly of Puerto Rico on March 10, 2010. Survived by his 13 siblings and their families throughout the Boston area as well as Puerto Rico. A Funeral Mass will be celebrated at the Cathedral of the Holy Cross, South End, Boston on Tuesday March 16 at 11:30 AM. Relatives and friends are invited. Visiting with the family at the Cathedral on Tuesday from 10:30 - 11:30 AM prior to the Funeral Mass. Burial at Mt. Hope Cemetery.