Lyndon is a distinctive boys' name in United States, ranking #1677 in 2020 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 2020, approximately 1 in every 18,159 boys born was named Lyndon. FALLING Recent data shows the name is currently falling.