Nickolaus is a distinctive boys' name in United States, ranking #2775 in 2001 with 34 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 33.3%. In 2001, approximately 1 in every 57,142 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.