Alannah is a distinctive girls' name in United States, ranking #855 in 2013 with 303 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 168.1%. In 2013, approximately 1 in every 5,790 girls born was named Alannah. FALLING Recent data shows the name is currently falling.