Gustabo is a distinctive boys' name in United States, ranking #7790 in 2007 with 10 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 47.4%. In 2007, approximately 1 in every 207,524 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.