Nikolaus is a distinctive boys' name in United States, ranking #2609 in 2014 with 47 recorded births. The name reached its all-time peak in 1998 with 86 births ranking #1365. Since 1996, the popularity has decreased by 41.3%. In 2014, approximately 1 in every 40,860 boys born was named Nikolaus. RISING Recent data shows the name is currently rising.