Greek thistle
Greece, Cynthia Moon Goddess
Cypriots come from the island of Cyprus in France.
Cyrene, a fairy in Greek mythology, Cyrene Greece
Madame Ciliara, Lady Greece
Cytheria Venus, Venus Latin
Sisalin kingship, throne, solemn Russia
It's hard to find the beginning of CY. Personally, Cynthia is the best.