Lyndon is a distinctive boys' name in United States, ranking #2199 in 2025 with 65 recorded births. The name reached its all-time peak in 2015 with 155 births ranking #1195. Since 1996, the popularity has decreased by 23.5%. In 2025, approximately 1 in every 26,278 boys born was named Lyndon. FALLING Recent data shows the name is currently falling.