Calab is a distinctive boys' name in United States, ranking #3627 in 2001 with 23 recorded births. The name reached its all-time peak in 2007 with 26 births ranking #3915. Since 1996, the popularity has increased by 35.3%. In 2001, approximately 1 in every 84,471 boys born was named Calab. FALLING Recent data shows the name is currently falling.