Alanah is a distinctive girls' name in England & Wales, ranking #794 in 1999 with 28 recorded births. The name reached its all-time peak in 2005 with 40 births ranking #736. Since 1996, the popularity has increased by 16.7%. In 1999, approximately 1 in every 10,061 girls born was named Alanah. FALLING Recent data shows the name is currently falling.