Dagan is a distinctive boys' name in United States, ranking #2188 in 2005 with 55 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1990. Since 1996, the popularity has increased by 111.5%. In 2005, approximately 1 in every 36,312 boys born was named Dagan. FALLING Recent data shows the name is currently falling.