Lenny is a moderately popular boys' name in England & Wales, ranking #142 in 2024 with 382 recorded births. The name reached its all-time peak in 2024 with 382 births ranking #142. Since 1996, the popularity has increased by 6,266.7%. In 2024, approximately 1 in every 727 boys born was named Lenny. STABLE Recent data shows the name is currently stable.