Cynthya is a distinctive girls' name in United States, ranking #6388 in 2001 with 17 recorded births. This places Cynthya in the top 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 17 births ranking #6388. Since 1996, the popularity has increased by 54.5%. In 2001, approximately 1 in every 105,915 girls born was named Cynthya. STABLE Recent data shows the name is currently stable.