Dallen is a distinctive boys' name in United States, ranking #3400 in 2005 with 29 recorded births. This places Dallen in the top 25% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2008 with 53 births ranking #2410. Since 1996, the popularity has decreased by 14.7%. In 2005, approximately 1 in every 68,867 boys born was named Dallen. FALLING Recent data shows the name is currently falling.