Nikolaus is a distinctive boys' name in United States, ranking #2037 in 2002 with 54 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 32.5%. In 2002, approximately 1 in every 35,953 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.