Gustabo is a distinctive boys' name in United States, ranking #4754 in 2001 with 16 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 15.8%. In 2001, approximately 1 in every 121,427 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.