Nickolai is a distinctive boys' name in United States, ranking #3684 in 2012 with 29 recorded births. The name reached its all-time peak in 2015 with 31 births ranking #3563. Since 1996, the popularity has increased by 383.3%. In 2012, approximately 1 in every 65,401 boys born was named Nickolai. FALLING Recent data shows the name is currently falling.