Lilliann is a distinctive girls' name in United States, ranking #3922 in 2003 with 35 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 483.3%. In 2003, approximately 1 in every 52,201 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.