Eva may not originally be French, but it is much more common in modern
France than
Eve is. According to
La cote des prenoms en 2004, there were over 2,000 girls born in
France in 2003 named
Eva, but less than 600 named
Eve. The correct spellings for these names in French are Éva and Ève. Hopefully a French speaker will be able to give the proper pronunciations in French.