Luiz is a distinctive boys' name in United States, ranking #3911 in 2025 with 28 recorded births. This places Luiz in the top 28% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 112 births ranking #1211. Since 1996, the popularity has decreased by 68.5%. In 2025, approximately 1 in every 61,003 boys born was named Luiz. STABLE Recent data shows the name is currently stable.