Ilona is a distinctive girls' name in United States, ranking #5433 in 2001 with 21 recorded births. The name reached its all-time peak in 2025 with 38 births ranking #3861. Since 1996, the popularity has increased by 16.7%. In 2001, approximately 1 in every 85,741 girls born was named Ilona. RISING Recent data shows the name is currently rising.