Ailish is a distinctive girls' name in England & Wales, ranking #969 in 2000 with 22 recorded births. The name reached its all-time peak in 1997 with 47 births ranking #551. Since 1996, the popularity has decreased by 42.1%. In 2000, approximately 1 in every 12,417 girls born was named Ailish. FALLING Recent data shows the name is currently falling.