Nikolaus is a distinctive boys' name in United States, ranking #3949 in 2017 with 27 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 66.3%. In 2017, approximately 1 in every 68,530 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.