Cynthia
Cynthia is a feminine given name of Greek origin: Κυνθία, Kynthía, "from Mount Cynthus" on Delos island. The name has been in use in the Anglosphere since the 17th century. There are various spellings for this name, and it can be abbreviated to Cindy, Cyndi, Cyndy, Cinny, or occasionally to Thea, Tia, or Thia.