Lyndon is a distinctive boys' name in United States, ranking #1511 in 2010 with 108 recorded births. The name reached its all-time peak in 2015 with 155 births ranking #1195. Since 1996, the popularity has increased by 27.1%. In 2010, approximately 1 in every 17,763 boys born was named Lyndon. FALLING Recent data shows the name is currently falling.