Lennin is a distinctive boys' name in United States, ranking #6556 in 2018 with 13 recorded births. The name reached its all-time peak in 2016 with 14 births ranking #6214. Since 1996, the popularity has increased by 116.7%. In 2018, approximately 1 in every 139,652 boys born was named Lennin. RISING Recent data shows the name is currently rising.