Ilona is a distinctive girls' name in United States, ranking #4496 in 1999 with 25 recorded births. The name reached its all-time peak in 2025 with 38 births ranking #3861. Since 1996, the popularity has increased by 38.9%. In 1999, approximately 1 in every 70,951 girls born was named Ilona. RISING Recent data shows the name is currently rising.