Nickolaus is a distinctive boys' name in United States, ranking #3569 in 2007 with 30 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 41.2%. In 2007, approximately 1 in every 69,175 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.