Calab is a distinctive boys' name in United States, ranking #3915 in 2007 with 26 recorded births. The name reached its all-time peak in 2007 with 26 births ranking #3915. Since 1996, the popularity has increased by 52.9%. In 2007, approximately 1 in every 79,817 boys born was named Calab. FALLING Recent data shows the name is currently falling.