Kalub is a distinctive boys' name in United States, ranking #2682 in 2006 with 44 recorded births. The name reached its all-time peak in 2002 with 48 births ranking #2210. Since 1996, the popularity has increased by 91.3%. In 2006, approximately 1 in every 46,707 boys born was named Kalub. FALLING Recent data shows the name is currently falling.