Dagan is a distinctive boys' name in United States, ranking #3380 in 2011 with 32 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1990. Since 1996, the popularity has increased by 23.1%. In 2011, approximately 1 in every 59,343 boys born was named Dagan. FALLING Recent data shows the name is currently falling.