Gumaro is a distinctive boys' name in United States, ranking #5069 in 1997 with 12 recorded births. The name reached its all-time peak in 1998 with 18 births ranking #3902. Since 1996, the popularity has increased by 33.3%. In 1997, approximately 1 in every 157,091 boys born was named Gumaro. FALLING Recent data shows the name is currently falling.