Lillyann is a distinctive girls' name in United States, ranking #1596 in 2015 with 135 recorded births. This places Lillyann in the top 8% 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 2015, approximately 1 in every 13,220 girls born was named Lillyann. FALLING Recent data shows the name is currently falling.