Illeana is a distinctive girls' name in United States, ranking #4855 in 2000 with 24 recorded births. The name reached its all-time peak in 2005 with 34 births ranking #4148. Since 1996, the popularity has increased by 166.7%. In 2000, approximately 1 in every 75,666 girls born was named Illeana. FALLING Recent data shows the name is currently falling.