Lillyan is a distinctive girls' name in United States, ranking #1672 in 2013 with 127 recorded births. The name reached its all-time peak in 2009 with 193 births ranking #1265. Since 1996, the popularity has increased by 2,440.0%. In 2013, approximately 1 in every 13,814 girls born was named Lillyan. FALLING Recent data shows the name is currently falling.