Lillyan is a distinctive girls' name in United States, ranking #1360 in 2010 with 172 recorded births. The name reached its all-time peak in 2009 with 193 births ranking #1265. Since 1996, the popularity has increased by 3,340.0%. In 2010, approximately 1 in every 10,333 girls born was named Lillyan. FALLING Recent data shows the name is currently falling.