Lennon is a distinctive boys' name in United States, ranking #808 in 2025 with 308 recorded births. The name reached its all-time peak in 2016 with 451 births ranking #596. Since 1996, the popularity has increased by 651.2%. In 2025, approximately 1 in every 5,546 boys born was named Lennon. FALLING Recent data shows the name is currently falling.