Louis is a moderately popular boys' name in United States, ranking #251 in 2021 with 1,418 recorded births. The name reached its all-time peak in 2024 with 1,503 births ranking #236. Since 1996, the popularity has increased by 10.5%. In 2021, approximately 1 in every 1,233 boys born was named Louis. STABLE Recent data shows the name is currently stable.