Allanah is a distinctive girls' name in United States, ranking #4495 in 2015 with 31 recorded births. The name reached its all-time peak in 2006 with 63 births ranking #2779. Since 1996, the popularity has increased by 158.3%. In 2015, approximately 1 in every 57,569 girls born was named Allanah. FALLING Recent data shows the name is currently falling.