Cynthia is a distinctive girls' name in United States, ranking #563 in 2016 with 552 recorded births. The name reached its all-time peak in 1996 with 3,189 births ranking #101. Since 1996, the popularity has decreased by 82.7%. In 2016, approximately 1 in every 3,209 girls born was named Cynthia. FALLING Recent data shows the name is currently falling.