Ailish is a distinctive girls' name in England & Wales, ranking #842 in 1999 with 26 recorded births. The name reached its all-time peak in 1997 with 47 births ranking #551. Since 1996, the popularity has decreased by 31.6%. In 1999, approximately 1 in every 10,834 girls born was named Ailish. FALLING Recent data shows the name is currently falling.