Mary Sibbet Copley

Mary Sibbet Copley
Copley circa 1920
Born(1843-06-19)June 19, 1843
DiedJune 6, 1929(1929-06-06) (aged 85)
Resting placeAllegheny Cemetery
OccupationPhilanthropist
Spouse
(m. 1867⁠–⁠1889)
Children5, including Harry, Margaret, Alice
RelativesRussell William Thaw (grandson)

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