Langdon is a distinctive boys' name in United States, ranking #5215 in 2017 with 18 recorded births. The name reached its all-time peak in 2005 with 33 births ranking #3133. Since 1996, the popularity has increased by 80.0%. In 2017, approximately 1 in every 102,795 boys born was named Langdon. FALLING Recent data shows the name is currently falling.