Dallen is a distinctive boys' name in United States, ranking #2146 in 2000 with 47 recorded births. This places Dallen in the top 18% 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 increased by 38.2%. In 2000, approximately 1 in every 41,786 boys born was named Dallen. FALLING Recent data shows the name is currently falling.