Kadyn is a distinctive girls' name in United States, ranking #5687 in 1998 with 18 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 100.0%. In 1998, approximately 1 in every 98,161 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.