Nikolaus is a distinctive boys' name in United States, ranking #1865 in 2003 with 64 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 20.0%. In 2003, approximately 1 in every 30,864 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.