Nicholaus is a distinctive boys' name in United States, ranking #10541 in 2022 with 7 recorded births. This places Nicholaus in the bottom 26% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 88 births ranking #1364. Since 1996, the popularity has decreased by 91.5%. In 2022, approximately 1 in every 249,196 boys born was named Nicholaus. FALLING Recent data shows the name is currently falling.