Nikolaus is a distinctive boys' name in United States, ranking #2615 in 2008 with 48 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 40.0%. In 2008, approximately 1 in every 42,499 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.