Mary Sibbet Copley, American philanthropist (d. 1929)
Mary Sibbet Copley Thaw (June 19, 1843 – June 9, 1929) was an American philanthropist and charity worker.
Mary Sibbet Copley, American philanthropist (d. 1929)
Mary Sibbet Copley Thaw (June 19, 1843 – June 9, 1929) was an American philanthropist and charity worker.