1) English girl name 
Cinthya is an English name for girls. The meaning is `from Mount Kynthos (Greece)` The name Cinthya is most commonly given to American girls. What do they use in other countries? Jackie (English) Jacky (English) Sinne Jackey Jacki (English) The name sounds like: Cynthya, Cinthia, Cinthy, Cintha Similar names are: Cynthia, Synthya, Cynthea, Cinthie