Eilish is a distinctive girls' name in United States, ranking #17253 in 2005 with 5 recorded births. The name reached its all-time peak in 1996 with 35 births ranking #3312. Since 1996, the popularity has decreased by 85.7%. In 2005, approximately 1 in every 369,540 girls born was named Eilish. RISING Recent data shows the name is currently rising.