Dylann is a distinctive boys' name in United States, ranking #6467 in 1998 with 9 recorded births. This places Dylann in the bottom 43% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 30 births ranking #3605. Since 1996, the popularity has increased by 50.0%. In 1998, approximately 1 in every 212,369 boys born was named Dylann. FALLING Recent data shows the name is currently falling.