Nicolaas is a distinctive boys' name in United States, ranking #8670 in 2012 with 9 recorded births. The name reached its all-time peak in 1996 with 22 births ranking #3264. Since 1996, the popularity has decreased by 59.1%. In 2012, approximately 1 in every 210,736 boys born was named Nicolaas. FALLING Recent data shows the name is currently falling.