Alanah is a distinctive girls' name in England & Wales, ranking #1411 in 2009 with 20 recorded births. The name reached its all-time peak in 2005 with 40 births ranking #736. Since 1996, the popularity has decreased by 16.7%. In 2009, approximately 1 in every 15,669 girls born was named Alanah. FALLING Recent data shows the name is currently falling.