Lilliann is a distinctive girls' name in United States, ranking #3391 in 2010 with 48 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 700.0%. In 2010, approximately 1 in every 37,028 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.