Gustabo is a distinctive boys' name in United States, ranking #11282 in 2012 with 6 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 68.4%. In 2012, approximately 1 in every 316,104 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.