Lilliann is a distinctive girls' name in United States, ranking #3847 in 2021 with 39 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 550.0%. In 2021, approximately 1 in every 42,044 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.