Mao is a distinctive girls' name in United States, ranking #12297 in 2007 with 9 recorded births. The name reached its all-time peak in 1996 with 14 births ranking #6606. Since 1996, the popularity has decreased by 35.7%. In 2007, approximately 1 in every 213,605 girls born was named Mao. FALLING Recent data shows the name is currently falling.