Ilian is a distinctive boys' name in United States, ranking #5172 in 2018 with 18 recorded births. This places Ilian in the top 37% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 57 births ranking #2404. In 2018, approximately 1 in every 100,860 boys born was named Ilian. RISING Recent data shows the name is currently rising.