Gustabo is a distinctive boys' name in United States, ranking #6532 in 2008 with 13 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 31.6%. In 2008, approximately 1 in every 156,919 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.