Lilliann is a distinctive girls' name in United States, ranking #2980 in 2019 with 55 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 816.7%. In 2019, approximately 1 in every 30,501 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.