Lilliann is a distinctive girls' name in United States, ranking #6496 in 2001 with 17 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 183.3%. In 2001, approximately 1 in every 105,915 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.