Mary was married to Copley Amory [1866-1960], the great-great grandson of the artist, John Singleton Copley. They had five children: Copley Jr., Henry Russell, Katharine Amory Smith, Walter Amory, and Elizabeth Cole Amory.
Linzee, John William. The Linzee Family of Great Britain and the United States of America. Boston, 1917: 2:795.