Ilian is a distinctive girls' name in United States, ranking #16598 in 2018 with 5 recorded births. The name reached its all-time peak in 1999 with 7 births ranking #11839. Since 1996, the popularity has decreased by 16.7%. In 2018, approximately 1 in every 340,085 girls born was named Ilian. STABLE Recent data shows the name is currently stable.