Dyllan is a distinctive girls' name in United States, ranking #14390 in 1997 with 5 recorded births. The name reached its all-time peak in 2010 with 37 births ranking #4047. Since 1996, the popularity has decreased by 37.5%. In 1997, approximately 1 in every 348,132 girls born was named Dyllan. RISING Recent data shows the name is currently rising.