Gustabo is a distinctive boys' name in United States, ranking #6898 in 2003 with 10 recorded births. This places Gustabo in the bottom 46% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 21 births ranking #3823. Since 1996, the popularity has decreased by 47.4%. In 2003, approximately 1 in every 197,527 boys born was named Gustabo. FALLING Recent data shows the name is currently falling.