Illianna is a distinctive girls' name in United States, ranking #5985 in 2012 with 22 recorded births. This places Illianna in the top 31% 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 2012, approximately 1 in every 80,034 girls born was named Illianna. STABLE Recent data shows the name is currently stable.