Eilish is a moderately popular girls' name in England & Wales, ranking #491 in 1996 with 56 recorded births. This places Eilish in the top 10% of ranked UK girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 56 births ranking #491. In 1996, approximately 1 in every 5,286 girls born was named Eilish. STABLE Recent data shows the name is currently stable.