- Created by: Rob and Debi Felten
- Added: 13 Nov 2012
- Find A Grave Memorial 100646803
Find A Grave, database and images (https://www.findagrave.com : accessed ), memorial page for Mary Steele Duncan (5 Nov 1838–1 Jun 1908), Find A Grave Memorial no. 100646803, citing Highwood Cemetery, Pittsburgh, Allegheny County, Pennsylvania, USA ; Maintained by Rob and Debi Felten (contributor 46883097) .