Nickolaus is a distinctive boys' name in United States, ranking #7397 in 2014 with 11 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 78.4%. In 2014, approximately 1 in every 174,585 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.