Carmen is a given name with two different origins. Its first root is Italian, Portuguese, and Spanish, used as a nickname for Carmel and Carmelo (respectively), from Hebrew karmel, "God's vineyard." ... In English, the name is unisex; in Italian, Spanish, Romanian, and Portuguese it is generally female.
Ronnie is a given name and pet name. It can be a pet form of the masculine name Ronald and the feminine name Veronica. ... The latter Greek name is composed of elements to mean "victory bringer".