Calab is a distinctive boys' name in United States, ranking #5069 in 2005 with 16 recorded births. This places Calab in the top 38% 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. In 2005, approximately 1 in every 124,822 boys born was named Calab. FALLING Recent data shows the name is currently falling.