Nikolaus is a distinctive boys' name in United States, ranking #2772 in 2010 with 44 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 45.0%. In 2010, approximately 1 in every 43,600 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.