Alannah is a distinctive girls' name in United States, ranking #913 in 2017 with 293 recorded births. The name reached its all-time peak in 2015 with 370 births ranking #762. Since 1996, the popularity has increased by 159.3%. In 2017, approximately 1 in every 5,890 girls born was named Alannah. FALLING Recent data shows the name is currently falling.