Kaygen is a distinctive boys' name in United States, ranking #11579 in 2011 with 6 recorded births. This places Kaygen in the bottom 19% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 6 births ranking #11579. In 2011, approximately 1 in every 316,498 boys born was named Kaygen. STABLE Recent data shows the name is currently stable.