Gumaro is a distinctive boys' name in United States, ranking #7619 in 2006 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 2006, approximately 1 in every 205,512 boys born was named Gumaro. FALLING Recent data shows the name is currently falling.