Eilis is a distinctive girls' name in United States, ranking #8117 in 2016 with 14 recorded births. 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.