Ashlyn is a moderately popular girls' name in United States, ranking #201 in 1998 with 1,548 recorded births. The name reached its all-time peak in 2005 with 2,539 births ranking #127. Since 1996, the popularity has increased by 24.5%. In 1998, approximately 1 in every 1,141 girls born was named Ashlyn. FALLING Recent data shows the name is currently falling.