Dyllan is a distinctive boys' name in United States, ranking #1024 in 2002 with 150 recorded births. The name reached its all-time peak in 1999 with 181 births ranking #835. Since 1996, the popularity has increased by 17.2%. In 2002, approximately 1 in every 12,943 boys born was named Dyllan. FALLING Recent data shows the name is currently falling.