Lillyann is a distinctive girls' name in United States, ranking #1297 in 2011 with 182 recorded births. This places Lillyann in the top 7% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2011 with 182 births ranking #1297. In 2011, approximately 1 in every 9,664 girls born was named Lillyann. FALLING Recent data shows the name is currently falling.