Kadyn is a distinctive girls' name in United States, ranking #1928 in 2007 with 107 recorded births. The name reached its all-time peak in 2008 with 144 births ranking #1586. Since 1996, the popularity has increased by 1,088.9%. In 2007, approximately 1 in every 17,967 girls born was named Kadyn. FALLING Recent data shows the name is currently falling.