The author asked Ai for Latino names and chose one that sounded good to him. Saw that on Twitter.
MangaDex Forums
vmman
Angry_Panda
I... I cannot say I am surprised. Just horribly, horribly disappointed. 
Blocky_Mudkip
Don't know what I really expected tbh
vmman
Calling my kid Mediterranean fr
Angry_Panda
Kid either grows up to be Jerry Garcia or Jeffery Dahmer. No in-between.
Blocky_Mudkip
Can I name my son Patriot American
Manko-sensei
I was sure that was her name... it's not the first time it happened though, I've seen other nationalities as a name, and I think I prefer not remembering them. Just hope she doesn't speak fake Spanish.
Blocky_Mudkip
According to random Reddit comment( obviously the most accurate source) her second language will be Portuguese