Lillia is a distinctive girls' name in United States, ranking #4140 in 2002 with 31 recorded births. The name reached its all-time peak in 2013 with 73 births ranking #2473. Since 1996, the popularity has increased by 29.2%. In 2002, approximately 1 in every 57,962 girls born was named Lillia. STABLE Recent data shows the name is currently stable.