Brighton - Mrs. Brina M. (Sheeman) Shackelford of Brighton died Sunday October 12, 2003 in Concord Hospital, Concord, New Hampshire. She was 27.<br><br>Born in Oklahoma City, OK, Mrs. Shackelford was a Harvard University graduate student at Dana Farber Cancer Research Institute.<br><br>She leaves her husband David B. Shackelford, her parents, Frank W. and Diane M. (Ganc) Sheeman of Austin, TX; her brother and sister, Derek W. Sheeman of Santa Clara, CA and Kelly A. Sheeman of Brooklyn, NY; her grandmothers, Ethel Ganc of Drums, PA and Jerré Sheeman of Hollywood, FL; her father-in-law and mother-in-law, Frank and Kris Shackelford of San Diego, CA; 2 nieces and 1 nephew. <br><br>Relatives and friends are invited to attend a Memorial Service in Celebration of Brinas Life on Wednesday, October 15th, at 7 p.m. in Gordon Hall, Harvard Medical School, 200 Longwood Ave., Boston. <br><br>Memorial donations may be made to Graduate Program, Harvard Medical School, Brina Sheeman Shackelford Memorial Fund, 25 Shattuck Street, Boston, MA 02115.<br>