Gavan is a distinctive boys' name in United States, ranking #12657 in 2025 with 5 recorded births. The name reached its all-time peak in 2003 with 80 births ranking #1583. Since 1996, the popularity has decreased by 72.2%. In 2025, approximately 1 in every 341,615 boys born was named Gavan. STABLE Recent data shows the name is currently stable.