A wonderful story about the naming of this rose:
https://www.plantersplace.com/everything-roses/sometimes-wishes-come-true-the-story-of-maid-marion/

Particular mention of being hardy in the description but suffered complete die-back to the ground with cracked canes after only 3-4 days of temperatures around -15 C in it's first winter here in european hardiness zone 6 (sweden).