 In 1897, she married George Sheldon, a politician, judge, and historian, after which she divided her time between Boston and George's home town of Deerfield, Massachusetts.Together they catalogued the collections at Deerfield's Memorial Hall Museum—housed in a building that was formerly the home of Deerfield Academy—and Sheldon served as the museum's curator from 1913 until his death.She published several pamphlets on subjects related to the museum collections, as well as an historical biography, "The Life of a New England Boy", based on her father's early life.