Kaydn is a distinctive boys' name in United States, ranking #5378 in 2012 with 17 recorded births. This places Kaydn in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 29 births ranking #3684. In 2012, approximately 1 in every 111,566 boys born was named Kaydn. STABLE Recent data shows the name is currently stable.