Gavan is a distinctive boys' name in United States, ranking #6416 in 2014 with 13 recorded births. The name reached its all-time peak in 2003 with 80 births ranking #1583. Since 1996, the popularity has decreased by 27.8%. In 2014, approximately 1 in every 147,726 boys born was named Gavan. STABLE Recent data shows the name is currently stable.