Lilliann is a distinctive girls' name in United States, ranking #6701 in 1999 with 15 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 150.0%. In 1999, approximately 1 in every 118,252 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.