Idalia is a distinctive girls' name in United States, ranking #3398 in 2007 with 49 recorded births. The name reached its all-time peak in 2023 with 160 births ranking #1402. Since 1996, the popularity has decreased by 10.9%. In 2007, approximately 1 in every 39,234 girls born was named Idalia. FALLING Recent data shows the name is currently falling.