Lillia is a distinctive girls' name in United States, ranking #2573 in 2014 with 69 recorded births. The name reached its all-time peak in 2013 with 73 births ranking #2473. Since 1996, the popularity has increased by 187.5%. In 2014, approximately 1 in every 25,883 girls born was named Lillia. STABLE Recent data shows the name is currently stable.