Calab is a distinctive boys' name in United States, ranking #12370 in 2014 with 5 recorded births. This places Calab in the bottom 12% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 26 births ranking #3915. Since 1996, the popularity has decreased by 70.6%. In 2014, approximately 1 in every 384,088 boys born was named Calab. FALLING Recent data shows the name is currently falling.