Kadyn is a distinctive girls' name in United States, ranking #2106 in 2004 with 86 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 855.6%. In 2004, approximately 1 in every 21,350 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.