Gennaro is a distinctive boys' name in United States, ranking #5381 in 2000 with 13 recorded births. The name reached its all-time peak in 2022 with 39 births ranking #3116. Since 1996, the popularity has decreased by 27.8%. In 2000, approximately 1 in every 151,072 boys born was named Gennaro. FALLING Recent data shows the name is currently falling.