Gavan is a distinctive boys' name in United States, ranking #8263 in 2015 with 9 recorded births. The name reached its all-time peak in 2003 with 80 births ranking #1583. Since 1996, the popularity has decreased by 50.0%. In 2015, approximately 1 in every 212,918 boys born was named Gavan. STABLE Recent data shows the name is currently stable.