Alannah is a distinctive girls' name in United States, ranking #1182 in 2021 with 206 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 82.3%. In 2021, approximately 1 in every 7,960 girls born was named Alannah. FALLING Recent data shows the name is currently falling.