Gennaro is a distinctive boys' name in United States, ranking #4755 in 2012 with 20 recorded births. The name reached its all-time peak in 2022 with 39 births ranking #3116. Since 1996, the popularity has increased by 11.1%. In 2012, approximately 1 in every 94,831 boys born was named Gennaro. FALLING Recent data shows the name is currently falling.