Hao is a distinctive boys' name in United States, ranking #5135 in 1999 with 13 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #4232. Since 1996, the popularity has increased by 44.4%. In 1999, approximately 1 in every 147,699 boys born was named Hao. STABLE Recent data shows the name is currently stable.