Kadyn is a distinctive girls' name in United States, ranking #3730 in 2015 with 41 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 355.6%. In 2015, approximately 1 in every 43,528 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.