Lyndon is a distinctive boys' name in United States, ranking #1636 in 2008 with 95 recorded births. The name reached its all-time peak in 2015 with 155 births ranking #1195. Since 1996, the popularity has increased by 11.8%. In 2008, approximately 1 in every 21,473 boys born was named Lyndon. FALLING Recent data shows the name is currently falling.