Hao is a distinctive boys' name in United States, ranking #4662 in 2004 with 18 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #4232. Since 1996, the popularity has increased by 100.0%. In 2004, approximately 1 in every 110,267 boys born was named Hao. STABLE Recent data shows the name is currently stable.