Lilliann is a distinctive girls' name in United States, ranking #3513 in 2015 with 45 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 650.0%. In 2015, approximately 1 in every 39,659 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.