Ailish is a distinctive girls' name in England & Wales, ranking #1991 in 2012 with 14 recorded births. The name reached its all-time peak in 1997 with 47 births ranking #551. Since 1996, the popularity has decreased by 63.2%. In 2012, approximately 1 in every 23,004 girls born was named Ailish. FALLING Recent data shows the name is currently falling.