Piero is a distinctive boys' name in United States, ranking #4111 in 2025 with 26 recorded births. The name reached its all-time peak in 2007 with 37 births ranking #3122. Since 1996, the popularity has increased by 136.4%. In 2025, approximately 1 in every 65,695 boys born was named Piero. FALLING Recent data shows the name is currently falling.