Langdon is a distinctive boys' name in United States, ranking #4197 in 2007 with 24 recorded births. The name reached its all-time peak in 2005 with 33 births ranking #3133. Since 1996, the popularity has increased by 140.0%. In 2007, approximately 1 in every 86,468 boys born was named Langdon. FALLING Recent data shows the name is currently falling.