Ashlyn is a moderately popular girls' name in United States, ranking #139 in 2003 with 2,368 recorded births. The name reached its all-time peak in 2005 with 2,539 births ranking #127. Since 1996, the popularity has increased by 90.5%. In 2003, approximately 1 in every 772 girls born was named Ashlyn. FALLING Recent data shows the name is currently falling.