Lilliann is a distinctive girls' name in United States, ranking #2789 in 2016 with 62 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 933.3%. In 2016, approximately 1 in every 28,572 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.