Nicolaas is a distinctive boys' name in United States, ranking #10651 in 2009 with 7 recorded births. The name reached its all-time peak in 1996 with 22 births ranking #3264. Since 1996, the popularity has decreased by 68.2%. In 2009, approximately 1 in every 283,329 boys born was named Nicolaas. FALLING Recent data shows the name is currently falling.