Dagan is a distinctive boys' name in United States, ranking #5359 in 2016 with 17 recorded births. The name reached its all-time peak in 2003 with 58 births ranking #1990. Since 1996, the popularity has decreased by 34.6%. In 2016, approximately 1 in every 111,601 boys born was named Dagan. FALLING Recent data shows the name is currently falling.