Hao is a distinctive boys' name in United States, ranking #4736 in 1998 with 14 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #4232. Since 1996, the popularity has increased by 55.6%. In 1998, approximately 1 in every 136,523 boys born was named Hao. STABLE Recent data shows the name is currently stable.