Dagan is a distinctive boys' name in United States, ranking #2721 in 2008 with 45 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1990. Since 1996, the popularity has increased by 73.1%. In 2008, approximately 1 in every 45,332 boys born was named Dagan. FALLING Recent data shows the name is currently falling.