Nicolau is a distinctive boys' name in United States, ranking #13575 in 2023 with 5 recorded births. This places Nicolau in the bottom 4% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 5 births ranking #13543. In 2023, approximately 1 in every 341,710 boys born was named Nicolau. STABLE Recent data shows the name is currently stable.