Lan is a distinctive girls' name in United States, ranking #17951 in 2015 with 5 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #5409. Since 1996, the popularity has decreased by 61.5%. In 2015, approximately 1 in every 356,931 girls born was named Lan. FALLING Recent data shows the name is currently falling.