Allyson is a moderately popular girls' name in United States, ranking #207 in 1999 with 1,483 recorded births. The name reached its all-time peak in 1998 with 1,651 births ranking #186. Since 1996, the popularity has increased by 21.4%. In 1999, approximately 1 in every 1,196 girls born was named Allyson. FALLING Recent data shows the name is currently falling.