Eilis is a distinctive girls' name in United States, ranking #9702 in 2002 with 10 recorded births. This places Eilis in the bottom 46% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 20 births ranking #6090. Since 1996, the popularity has decreased by 16.7%. In 2002, approximately 1 in every 179,682 girls born was named Eilis. FALLING Recent data shows the name is currently falling.