Alannah is a distinctive girls' name in United States, ranking #1378 in 1999 with 128 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 13.3%. In 1999, approximately 1 in every 13,858 girls born was named Alannah. FALLING Recent data shows the name is currently falling.