Ally is a distinctive girls' name in United States, ranking #1372 in 2020 with 158 recorded births. The name reached its all-time peak in 1998 with 636 births ranking #417. Since 1996, the popularity has increased by 100.0%. In 2020, approximately 1 in every 10,225 girls born was named Ally. FALLING Recent data shows the name is currently falling.