Lan is a distinctive girls' name in United States, ranking #8916 in 2012 with 13 recorded births. This places Lan in the top 46% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 21 births ranking #5409. In 2012, approximately 1 in every 135,442 girls born was named Lan. FALLING Recent data shows the name is currently falling.