GIANGREGORIO-Marco Enzo of East Boston on June 19, 2010. beloved son of Lorenzo and the late Giovanna (Giammarco) Giangregorio. Loving brother of Ralph Giangregorio of Haverhill, Marilyn Orlowski and her husband Steven of West Peabody, Michael Giangregorio of East Boston and Pasquale Giangregorio and his wife Nancy of Revere. Cherished grandson of Rita Giammarco of Italy. Also survived by loving nieces and nephews. Funeral from The Rapino Memorial Home, 9 Chelsea St., (Maverick Sq.) EAST BOSTON on Thursday at 9am followed by a Mass of Christian Burial to be celebrated in Sacred Heart Church, Brooks St., East Boston at 10am. The family will receive visitors on Wednesday from 4-8pm. Services will conclude with interment in Pine Grove Cemetery, Lynn.