Lillia is a distinctive girls' name in United States, ranking #3075 in 2009 with 56 recorded births. The name reached its all-time peak in 2013 with 73 births ranking #2473. Since 1996, the popularity has increased by 133.3%. In 2009, approximately 1 in every 32,801 girls born was named Lillia. STABLE Recent data shows the name is currently stable.