Illeana is a distinctive girls' name in United States, ranking #5963 in 2007 with 23 recorded births. The name reached its all-time peak in 2005 with 34 births ranking #4148. Since 1996, the popularity has increased by 155.6%. In 2007, approximately 1 in every 83,585 girls born was named Illeana. FALLING Recent data shows the name is currently falling.