Haidyn is a distinctive girls' name in United States, ranking #7967 in 1997 with 11 recorded births. This places Haidyn in the top 49% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2010 with 167 births ranking #1385. In 1997, approximately 1 in every 158,242 girls born was named Haidyn. FALLING Recent data shows the name is currently falling.