Eilis is a distinctive girls' name in United States, ranking #8117 in 2016 with 14 recorded births. This places Eilis in the top 43% 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 increased by 16.7%. In 2016, approximately 1 in every 126,535 girls born was named Eilis. FALLING Recent data shows the name is currently falling.