Lan is a distinctive girls' name in United States, ranking #10341 in 2004 with 10 recorded births. The name reached its all-time peak in 2000 with 21 births ranking #5409. Since 1996, the popularity has decreased by 23.1%. In 2004, approximately 1 in every 183,612 girls born was named Lan. FALLING Recent data shows the name is currently falling.