Eilish is a distinctive girls' name in United States, ranking #9225 in 2003 with 11 recorded births. The name reached its all-time peak in 1996 with 35 births ranking #3312. Since 1996, the popularity has decreased by 68.6%. In 2003, approximately 1 in every 166,095 girls born was named Eilish. RISING Recent data shows the name is currently rising.