Gustabo is a distinctive boys' name in United States, ranking #8246 in 2006 with 9 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 52.6%. In 2006, approximately 1 in every 228,347 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.