Gradyn is a distinctive boys' name in United States, ranking #11974 in 2004 with 5 recorded births. This places Gradyn in the bottom 9% 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 24 births ranking #4203. In 2004, approximately 1 in every 396,960 boys born was named Gradyn. RISING Recent data shows the name is currently rising.