Lan is a distinctive girls' name in United States, ranking #12937 in 2010 with 8 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #5409. Since 1996, the popularity has decreased by 38.5%. In 2010, approximately 1 in every 222,166 girls born was named Lan. FALLING Recent data shows the name is currently falling.