Alannah is a distinctive girls' name in United States, ranking #1067 in 2004 with 216 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 91.2%. In 2004, approximately 1 in every 8,501 girls born was named Alannah. FALLING Recent data shows the name is currently falling.