Born: March 28, 1807, Boston, Massachusetts.
Died: January 23, 1877, Brattleboro, Vermont.
Buried: Mount Auburn Cemetery, Cambridge, Massachusetts.
Elizabeth was the daughter of Nathaniel Walker Appleton and Sarah Tilden, and wife of Solomon Pearson Miles, headmaster of the Boston High School, and later principal of a school for young ladies in Boston.
After her husband died in 1842, Elizabeth went to live with her son in Brattleboro, Vermont.
If you know where to get a good photo of Miles (head & shoulders, at least 200×300 pixels),