Dagan is a distinctive boys' name in United States, ranking #2464 in 1998 with 35 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1990. Since 1996, the popularity has increased by 34.6%. In 1998, approximately 1 in every 54,609 boys born was named Dagan. FALLING Recent data shows the name is currently falling.