Lilliann is a distinctive girls' name in United States, ranking #2574 in 2014 with 69 recorded births. The name reached its all-time peak in 2009 with 75 births ranking #2523. Since 1996, the popularity has increased by 1,050.0%. In 2014, approximately 1 in every 25,883 girls born was named Lilliann. FALLING Recent data shows the name is currently falling.