Lilliann is a distinctive girls' name in United States, ranking #2548 in 2008 with 74 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 1,133.3%. In 2008, approximately 1 in every 25,550 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.