Kadyn is a distinctive girls' name in United States, ranking #2414 in 2010 with 78 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 766.7%. In 2010, approximately 1 in every 22,786 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.