Gavan is a distinctive boys' name in United States, ranking #1583 in 2003 with 80 recorded births. The name reached its all-time peak in 2003 with 80 births ranking #1583. Since 1996, the popularity has increased by 344.4%. In 2003, approximately 1 in every 24,691 boys born was named Gavan. STABLE Recent data shows the name is currently stable.