Allyson is a moderately popular girls' name in United States, ranking #486 in 2017 with 641 recorded births. The name reached its all-time peak in 1998 with 1,651 births ranking #186. Since 1996, the popularity has decreased by 47.5%. In 2017, approximately 1 in every 2,692 girls born was named Allyson. FALLING Recent data shows the name is currently falling.