I wouldn't describe the color of this rose as carmine-red, lighter reverse, but more like in the other thread of comments: grey-lilac and plum. (or grey-lilac and lilac)
According to Peter D. A. Boyd, Mary Queen of Scots is the original name for this rose and Queen Mary a synonym. I suggest you add Mary Queen of Scots as a synonym.
There are two roses named such, the other being the single rose described by Peter Beales. Please scroll/ or search for down his web page Mary Queen of Scots for detailed information:
Yes, I know, hence why a new synonym, Mary Queen of Scots, should be added to Queen Mary.
Graham Stuart Rose book, 1994 edition. p.111
Mary Queen of Scots
A most beautiful form grown by Lady Moore in Dublin; the story goes that it was brought from France by the queen and eventually reached Northern Ireland, where it is found in many gardens. Lady Moore found it in 1921 in Antrim. The grey-lilac buds open to fairly double blooms, the surface of the petals being nearly as richly plum-tinted as in "William III'. The grey-lilac and the plum make a fascinating contrast, a souvenir of a sad life. Probably 4 feet.
