Lilliann is a distinctive girls' name in United States, ranking #2523 in 2009 with 75 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 1,150.0%. In 2009, approximately 1 in every 24,492 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.