Lillia is a distinctive girls' name in United States, ranking #2695 in 2005 with 63 recorded births. The name reached its all-time peak in 2013 with 73 births ranking #2473. Since 1996, the popularity has increased by 162.5%. In 2005, approximately 1 in every 29,329 girls born was named Lillia. STABLE Recent data shows the name is currently stable.