Idalia is a distinctive girls' name in United States, ranking #2162 in 2025 with 86 recorded births. This places Idalia in the top 12% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2023 with 160 births ranking #1402. Since 1996, the popularity has increased by 56.4%. In 2025, approximately 1 in every 18,689 girls born was named Idalia. FALLING Recent data shows the name is currently falling.