Gustabo is a distinctive boys' name in United States, ranking #11327 in 2011 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 2011, approximately 1 in every 316,498 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.