Nickolaus is a distinctive boys' name in United States, ranking #2381 in 2003 with 45 recorded births. The name reached its all-time peak in 1998 with 68 births ranking #1569. Since 1996, the popularity has decreased by 11.8%. In 2003, approximately 1 in every 43,895 boys born was named Nickolaus. RISING Recent data shows the name is currently rising.