Alli is a distinctive girls' name in United States, ranking #2138 in 2015 with 89 recorded births. The name reached its all-time peak in 2011 with 205 births ranking #1177. Since 1996, the popularity has increased by 14.1%. In 2015, approximately 1 in every 20,052 girls born was named Alli. FALLING Recent data shows the name is currently falling.