Dallyn is a distinctive boys' name in United States, ranking #7103 in 2011 with 11 recorded births. The name reached its all-time peak in 2003 with 17 births ranking #4646. Since 1996, the popularity has increased by 120.0%. In 2011, approximately 1 in every 172,635 boys born was named Dallyn. RISING Recent data shows the name is currently rising.