Hieu is a distinctive boys' name in United States, ranking #7692 in 2015 with 10 recorded births. This places Hieu in the bottom 45% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 29 births ranking #2700. Since 1996, the popularity has decreased by 47.4%. In 2015, approximately 1 in every 191,626 boys born was named Hieu. RISING Recent data shows the name is currently rising.