Kadyn is a distinctive girls' name in United States, ranking #1956 in 2005 with 98 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 988.9%. In 2005, approximately 1 in every 18,854 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.