Kalub is a distinctive boys' name in United States, ranking #4151 in 1997 with 16 recorded births. This places Kalub in the top 38% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 48 births ranking #2210. Since 1996, the popularity has decreased by 30.4%. In 1997, approximately 1 in every 117,818 boys born was named Kalub. FALLING Recent data shows the name is currently falling.