Lilliann is a distinctive girls' name in United States, ranking #3689 in 2007 with 44 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 633.3%. In 2007, approximately 1 in every 43,692 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.