Allyn is a distinctive girls' name in United States, ranking #9702 in 2022 with 10 recorded births. The name reached its all-time peak in 1999 with 31 births ranking #3810. Since 1996, the popularity has decreased by 44.4%. In 2022, approximately 1 in every 163,876 girls born was named Allyn. FALLING Recent data shows the name is currently falling.