Lennin is a distinctive boys' name in United States, ranking #6281 in 2019 with 14 recorded births. The name reached its all-time peak in 2016 with 14 births ranking #6214. Since 1996, the popularity has increased by 133.3%. In 2019, approximately 1 in every 128,097 boys born was named Lennin. RISING Recent data shows the name is currently rising.