Lennon is a distinctive boys' name in United States, ranking #672 in 2021 with 401 recorded births. The name reached its all-time peak in 2016 with 451 births ranking #596. Since 1996, the popularity has increased by 878.0%. In 2021, approximately 1 in every 4,360 boys born was named Lennon. FALLING Recent data shows the name is currently falling.