Duy is a distinctive boys' name in United States, ranking #5105 in 2003 with 15 recorded births. This places Duy in the top 40% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 21 births ranking #3880. Since 1996, the popularity has decreased by 21.1%. In 2003, approximately 1 in every 131,685 boys born was named Duy. FALLING Recent data shows the name is currently falling.