Lennin is a distinctive boys' name in United States, ranking #13292 in 2021 with 5 recorded births. The name reached its all-time peak in 2016 with 14 births ranking #6214. Since 1996, the popularity has decreased by 16.7%. In 2021, approximately 1 in every 349,647 boys born was named Lennin. RISING Recent data shows the name is currently rising.