Illianna is a distinctive girls' name in United States, ranking #11506 in 2002 with 8 recorded births. This places Illianna in the bottom 36% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 27 births ranking #4928. In 2002, approximately 1 in every 224,603 girls born was named Illianna. STABLE Recent data shows the name is currently stable.