She was the daughter of Josiah Copley Thaw ( 1874 -- 1944 ) and granddaughter of William Thaw Sr. and Mary Sibbet Copley .
In September 1925 , Morris was married to Margaret Copley Thaw ( 1905 -- 1980 ) .
Margaret Copley Thaw was the Margaret Copley Thaw of Josiah Copley Thaw ( 1874 -- 1944 ) and granddaughter of William Thaw Sr. and Mary Sibbet Copley .
In September 1925 , Morris was married to Margaret Copley Thaw ( 1905 -- 1980 ) .