Nicklaus is a distinctive boys' name in United States, ranking #969 in 1998 with 143 recorded births. The name reached its all-time peak in 1997 with 156 births ranking #891. Since 1996, the popularity has increased by 19.2%. In 1998, approximately 1 in every 13,366 boys born was named Nicklaus. FALLING Recent data shows the name is currently falling.