Piero is a distinctive boys' name in United States, ranking #7034 in 2016 with 12 recorded births. This places Piero in the top 50% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 37 births ranking #3122. In 2016, approximately 1 in every 158,101 boys born was named Piero. FALLING Recent data shows the name is currently falling.