No more info is currently available for Mary McGray. Can you add to her biography?
Sources
Find a Grave, database and images (https://www.findagrave.com/memorial/191868389/mary-robbins-archer : accessed 03 October 2021), memorial page for Mary Robbins Magray Archer (1837–21 Apr 1910), Find a Grave Memorial ID 191868389, citing Milton Cemetery, Milton, Norfolk County, Massachusetts, USA ; Maintained by SCC (contributor 48705959) .
William Ramage, firsthand knowledge. Click the Changes tab for the details of edits by William and others.