Nickolaus is a distinctive boys' name in United States, ranking #9489 in 2019 with 8 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 84.3%. In 2019, approximately 1 in every 224,170 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.