Kadyn is a distinctive girls' name in United States, ranking #4616 in 2001 with 26 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 188.9%. In 2001, approximately 1 in every 69,252 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.