Gennaro is a distinctive boys' name in United States, ranking #4289 in 2021 with 24 recorded births. The name reached its all-time peak in 2022 with 39 births ranking #3116. Since 1996, the popularity has increased by 33.3%. In 2021, approximately 1 in every 72,843 boys born was named Gennaro. FALLING Recent data shows the name is currently falling.