Kadyn is a distinctive girls' name in United States, ranking #5062 in 2000 with 23 recorded births. This places Kadyn in the top 29% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 155.6%. In 2000, approximately 1 in every 78,955 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.