Meaning and name origin
Cyndy \cy(n)-dy\ as a girl's name is of English and Greek origin, and the meaning of Cyndy is "from Mount Kynthos". Cyndy is a variant of Cindy (English, Greek): a pet form of Cynthia, and less often, of Latin Lucinda meaning "light".
Cyndy is a somewhat popular first name for females (#3518 out of 4276, Top 82%) but an uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Cyndy and its variant forms. Popular variation forms ranked in the Top 1000/100 are Cynthia (#491), Cindy (#710), Cindi, Cyndi and Cinda. (2014 statistics).