Allyson is a distinctive girls' name in United States, ranking #642 in 2020 with 450 recorded births. The name reached its all-time peak in 1998 with 1,651 births ranking #186. Since 1996, the popularity has decreased by 63.2%. In 2020, approximately 1 in every 3,590 girls born was named Allyson. FALLING Recent data shows the name is currently falling.