Dyllan is a distinctive boys' name in United States, ranking #1935 in 2013 with 72 recorded births. The name reached its all-time peak in 1999 with 181 births ranking #835. Since 1996, the popularity has decreased by 43.8%. In 2013, approximately 1 in every 26,267 boys born was named Dyllan. FALLING Recent data shows the name is currently falling.