Ally is a distinctive girls' name in United States, ranking #1152 in 2017 with 215 recorded births. The name reached its all-time peak in 1998 with 636 births ranking #417. Since 1996, the popularity has increased by 172.2%. In 2017, approximately 1 in every 8,027 girls born was named Ally. FALLING Recent data shows the name is currently falling.