Lilliann is a distinctive girls' name in United States, ranking #5840 in 2000 with 19 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 216.7%. In 2000, approximately 1 in every 95,577 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.