Virgin Mary vs The Virgin

Virgin Mary and The Virgin both are nouns.

Word	Noun	Adjective	Verb	Adverb
Virgin Mary	Yes	No	No	No
The Virgin	Yes	No	No	No

As nouns, Virgin Mary and The Virgin are synonyms defined as:

Virgin Mary and The Virgin: the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics

Other synonyms of Virgin Mary include Blessed Virgin, Madonna, Mary.

Virgin Mary (noun)	The Virgin (noun)
a Bloody Mary made without alcohol	the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics
the mother of Jesus; Christians refer to her as the Virgin Mary; she is especially honored by Roman Catholics