Originally Posted by Linguist

Latin (from Latin Latinus, from Latium, ancient country of Italy)
- of or relating to the peoples or countries using Romance languages; specifically : of or relating to the peoples or countries of Latin America

Latina (American Spanish, feminine of latino Latino)
- a woman of Latin-American origin living in the U.S.
- a woman who is a native or inhabitant of Latin America

So latina would be more proper in the context