Lillia is a distinctive girls' name in United States, ranking #2768 in 2004 with 59 recorded births. The name reached its all-time peak in 2013 with 73 births ranking #2473. Since 1996, the popularity has increased by 145.8%. In 2004, approximately 1 in every 31,121 girls born was named Lillia. STABLE Recent data shows the name is currently stable.