Alannah is a distinctive girls' name in United States, ranking #1073 in 2006 with 237 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 109.7%. In 2006, approximately 1 in every 8,021 girls born was named Alannah. FALLING Recent data shows the name is currently falling.