- Maintained by: Susan Ing
- Originally Created by: Lorie
- Added: 7 Mar 2010
- Find A Grave Memorial 49373280
Find A Grave, database and images (https://www.findagrave.com : accessed ), memorial page for Margaret A Robertson Blake (4 Mar 1821–11 Sep 1900), Find A Grave Memorial no. 49373280, citing Congressional Cemetery, Washington, District of Columbia, District Of Columbia, USA ; Maintained by Susan Ing (contributor 47043987) .