Nickolaus is a distinctive boys' name in United States, ranking #2778 in 2004 with 38 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 25.5%. In 2004, approximately 1 in every 52,232 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.