Lilliann is a distinctive girls' name in United States, ranking #3370 in 2018 with 47 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 683.3%. In 2018, approximately 1 in every 36,179 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.