Nickolaus is a distinctive boys' name in United States, ranking #5182 in 2010 with 18 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 64.7%. In 2010, approximately 1 in every 106,578 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.