Ailish is a distinctive girls' name in England & Wales, ranking #1796 in 2005 with 12 recorded births. The name reached its all-time peak in 1997 with 47 births ranking #551. Since 1996, the popularity has decreased by 68.4%. In 2005, approximately 1 in every 24,021 girls born was named Ailish. FALLING Recent data shows the name is currently falling.