Illya is a distinctive boys' name in United States, ranking #12967 in 2024 with 5 recorded births. This places Illya in the bottom 9% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2009 with 7 births ranking #10256. In 2024, approximately 1 in every 343,063 boys born was named Illya. STABLE Recent data shows the name is currently stable.