Cyndy is a distinctive girls' name in United States, ranking #6129 in 2001 with 18 recorded births. This places Cyndy in the top 34% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 24 births ranking #4408. Since 1996, the popularity has increased by 20.0%. In 2001, approximately 1 in every 100,031 girls born was named Cyndy. FALLING Recent data shows the name is currently falling.