Gavan is a distinctive boys' name in United States, ranking #3627 in 1998 with 20 recorded births. The name reached its all-time peak in 2003 with 80 births ranking #1583. Since 1996, the popularity has increased by 11.1%. In 1998, approximately 1 in every 95,566 boys born was named Gavan. STABLE Recent data shows the name is currently stable.