Calab is a distinctive boys' name in United States, ranking #5776 in 2002 with 12 recorded births. The name reached its all-time peak in 2007 with 26 births ranking #3915. Since 1996, the popularity has decreased by 29.4%. In 2002, approximately 1 in every 161,789 boys born was named Calab. FALLING Recent data shows the name is currently falling.