Gustabo is a distinctive boys' name in United States, ranking #10223 in 2009 with 7 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 63.2%. In 2009, approximately 1 in every 283,329 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.