Ilona is a distinctive girls' name in United States, ranking #5296 in 2003 with 23 recorded births. The name reached its all-time peak in 2025 with 38 births ranking #3861. Since 1996, the popularity has increased by 27.8%. In 2003, approximately 1 in every 79,437 girls born was named Ilona. RISING Recent data shows the name is currently rising.