Ilona is a distinctive girls' name in United States, ranking #3861 in 2025 with 38 recorded births. The name reached its all-time peak in 2025 with 38 births ranking #3861. Since 1996, the popularity has increased by 111.1%. In 2025, approximately 1 in every 42,297 girls born was named Ilona. RISING Recent data shows the name is currently rising.