Kadyn is a distinctive boys' name in United States, ranking #1064 in 2004 with 151 recorded births. The name reached its all-time peak in 2009 with 259 births ranking #836. Since 1996, the popularity has increased by 2,057.1%. In 2004, approximately 1 in every 13,144 boys born was named Kadyn. FALLING Recent data shows the name is currently falling.