Ilian is a distinctive boys' name in United States, ranking #4691 in 2019 with 21 recorded births. This places Ilian in the top 33% 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 2019, approximately 1 in every 85,398 boys born was named Ilian. RISING Recent data shows the name is currently rising.