Dagan is a distinctive boys' name in United States, ranking #2161 in 2002 with 49 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1990. Since 1996, the popularity has increased by 88.5%. In 2002, approximately 1 in every 39,622 boys born was named Dagan. FALLING Recent data shows the name is currently falling.