Lillyan is a distinctive girls' name in United States, ranking #1612 in 2008 with 141 recorded births. The name reached its all-time peak in 2009 with 193 births ranking #1265. Since 1996, the popularity has increased by 2,720.0%. In 2008, approximately 1 in every 13,409 girls born was named Lillyan. FALLING Recent data shows the name is currently falling.