Lillia is a distinctive girls' name in United States, ranking #3840 in 2000 with 33 recorded births. The name reached its all-time peak in 2013 with 73 births ranking #2473. Since 1996, the popularity has increased by 37.5%. In 2000, approximately 1 in every 55,029 girls born was named Lillia. STABLE Recent data shows the name is currently stable.