The equivalent is 'Maria Elena'
It depends upon WHO is Mary. Any common Mary would be Mary, even in Spanish. If you talk about a historic person, a real "legend" IT CHANGES: The Virgin Mary, WOULD NOT EVER be "La virgen Mary", but "La virgen María". If you said "La virgen Mary" in Spanish, for sure native Spanish-speakers would scoff at you.
Jane in Spanish is Jane! But it is pronounced (KHAH-nay) Click this link to see it and hear its pronunciation. http://translate.google.com/#auto|es|Jane
Juana Jane is a female version of John (Juan).
Mary = Maria Jane = Juana Mary Jane = Marijuana
Mari-Juana - Juana is the Spanish for the name Jane.
mi madre nombre es jane
Mary Jane is also spelled as Mary Jane in Tagalog. Although the Tagalog translation of Mary Jane is Maria Juana.
Mary-Jane Selwood has written: 'Mary-Jane Selwood'
Mary Jane Jordan's birth name is King, Mary Jane.