Gumaro is a distinctive boys' name in United States, ranking #7171 in 2004 with 10 recorded births. The name reached its all-time peak in 1998 with 18 births ranking #3902. Since 1996, the popularity has increased by 11.1%. In 2004, approximately 1 in every 198,480 boys born was named Gumaro. FALLING Recent data shows the name is currently falling.