Alyn is a distinctive girls' name in United States, ranking #8835 in 1999 with 10 recorded births. The name reached its all-time peak in 2005 with 31 births ranking #4378. Since 1996, the popularity has increased by 66.7%. In 1999, approximately 1 in every 177,378 girls born was named Alyn. FALLING Recent data shows the name is currently falling.