Nicolaus is a distinctive boys' name in United States, ranking #8716 in 2023 with 9 recorded births. The name reached its all-time peak in 1998 with 47 births ranking #2034. Since 1996, the popularity has decreased by 74.3%. In 2023, approximately 1 in every 189,839 boys born was named Nicolaus. STABLE Recent data shows the name is currently stable.