Mary Virginia (Griffin) Byrne, a retired secretary, died at Marian Manor, South Boston, after a long illness, Tuesday, November 2, 2010. She was 85 years old. Born in Boston, she was raised on Florida Street in Dorchester and was a graduate of Dorchester High School for Girls. She worked for the Federal Reserve Bank of Boston, Sheraton Corporation and the Commonwealth of Massachusetts Health Department. Mrs. Byrne retired in 1982. Beloved mother of Robert E. Byrne and his wife Cheryl of Alpharetta, GA, Madelyn Byrne of Savin Hill, Virginia Cooke and her husband Ron of North Reading, Stephen W. Byrne and his partner Michael O’Keefe of Savin Hill and Charles E. Byrne of Alpharetta, GA. Dear family member of Matts Wikstrom and his wife and two children of Gothenberg, Sweden. Grandmother of Robert E. Byrne III, Katherine and her husband Jamie Sheffield, Loretta Byrne, Nicklaus Schnakenberg and Charles E. Byrne III. Great-grandmother of Taylor June Sheffield. A Mass of Christian Burial will be celebrated in St. Mark’s Church, 1725 Dorchester Ave., Dorchester, Monday November 8 at 10:00 AM. Relatives and friends invited. Visiting hours at Dolan Funeral Home, 1140 Washington St., DORCHESTER LOWER MILLS, Sunday 2-6 PM. Interment New Calvary Cemetery.