Kadyn is a distinctive boys' name in United States, ranking #903 in 2010 with 226 recorded births. This places Kadyn in the top 6% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2009 with 259 births ranking #836. Since 1996, the popularity has increased by 3,128.6%. In 2010, approximately 1 in every 8,489 boys born was named Kadyn. FALLING Recent data shows the name is currently falling.