Alannah is a distinctive girls' name in United States, ranking #876 in 2016 with 320 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 183.2%. In 2016, approximately 1 in every 5,536 girls born was named Alannah. FALLING Recent data shows the name is currently falling.