Dallan is a distinctive boys' name in United States, ranking #3296 in 2008 with 34 recorded births. This places Dallan in the top 23% 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 34 births ranking #3296. Since 1996, the popularity has increased by 54.5%. In 2008, approximately 1 in every 59,998 boys born was named Dallan. FALLING Recent data shows the name is currently falling.