Nickolaus is a distinctive boys' name in United States, ranking #1640 in 1997 with 62 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has increased by 21.6%. In 1997, approximately 1 in every 30,405 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.