Mary vs The Virgin

Mary and The Virgin both are nouns.

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

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

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 Mary include Blessed Virgin, Madonna, Virgin Mary.

Mary (noun)	The Virgin (noun)
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