Alannah is a distinctive girls' name in United States, ranking #869 in 2018 with 312 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 176.1%. In 2018, approximately 1 in every 5,450 girls born was named Alannah. FALLING Recent data shows the name is currently falling.