Illeana is a distinctive girls' name in United States, ranking #12656 in 2020 with 7 recorded births. The name reached its all-time peak in 2005 with 34 births ranking #4148. Since 1996, the popularity has decreased by 22.2%. In 2020, approximately 1 in every 230,787 girls born was named Illeana. FALLING Recent data shows the name is currently falling.