Ally is a distinctive girls' name in United States, ranking #983 in 2016 with 272 recorded births. The name reached its all-time peak in 1998 with 636 births ranking #417. Since 1996, the popularity has increased by 244.3%. In 2016, approximately 1 in every 6,513 girls born was named Ally. FALLING Recent data shows the name is currently falling.