Lyndon is a distinctive boys' name in United States, ranking #1239 in 2014 with 147 recorded births. The name reached its all-time peak in 2015 with 155 births ranking #1195. Since 1996, the popularity has increased by 72.9%. In 2014, approximately 1 in every 13,064 boys born was named Lyndon. FALLING Recent data shows the name is currently falling.