Hao is a distinctive boys' name in United States, ranking #6904 in 2003 with 10 recorded births. The name reached its all-time peak in 2002 with 19 births ranking #4232. Since 1996, the popularity has increased by 11.1%. In 2003, approximately 1 in every 197,527 boys born was named Hao. STABLE Recent data shows the name is currently stable.