Gennaro is a distinctive boys' name in United States, ranking #3116 in 2022 with 39 recorded births. The name reached its all-time peak in 2022 with 39 births ranking #3116. Since 1996, the popularity has increased by 116.7%. In 2022, approximately 1 in every 44,728 boys born was named Gennaro. FALLING Recent data shows the name is currently falling.