Haydyn is a distinctive boys' name in United States, ranking #4378 in 2005 with 20 recorded births. This places Haydyn in the top 33% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2006 with 35 births ranking #3106. In 2005, approximately 1 in every 99,857 boys born was named Haydyn. STABLE Recent data shows the name is currently stable.