Idalys is a distinctive girls' name in United States, ranking #6996 in 2003 with 16 recorded births. The name reached its all-time peak in 2002 with 21 births ranking #5536. Since 1996, the popularity has increased by 45.5%. In 2003, approximately 1 in every 114,191 girls born was named Idalys. FALLING Recent data shows the name is currently falling.