Gustav is a distinctive boys' name in United States, ranking #3649 in 1997 with 19 recorded births. This places Gustav in the top 34% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2019 with 45 births ranking #2776. Since 1996, the popularity has decreased by 32.1%. In 1997, approximately 1 in every 99,215 boys born was named Gustav. STABLE Recent data shows the name is currently stable.