Nikolaus is a distinctive boys' name in United States, ranking #1948 in 2004 with 63 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 21.3%. In 2004, approximately 1 in every 31,505 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.