Calab is a distinctive boys' name in United States, ranking #7082 in 2011 with 11 recorded births. The name reached its all-time peak in 2007 with 26 births ranking #3915. Since 1996, the popularity has decreased by 35.3%. In 2011, approximately 1 in every 172,635 boys born was named Calab. FALLING Recent data shows the name is currently falling.