Cyndy is a distinctive girls' name in United States, ranking #5183 in 1998 with 20 recorded births. This places Cyndy in the top 31% 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 33.3%. In 1998, approximately 1 in every 88,344 girls born was named Cyndy. FALLING Recent data shows the name is currently falling.