Lilliann is a distinctive girls' name in United States, ranking #3346 in 2006 with 49 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 716.7%. In 2006, approximately 1 in every 38,797 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.