Kalab first appears in the U.S. registration record in 1987. Its popularity climbed over the following decades. In 1999, 30 babies received the name (ranked #2827). Today it sits well outside the top 1,000 (around #11014), with roughly 6 babies named Kalab each year. Kalab's usage has held roughly steady recently. In total, around 463 babies have been registered with this name since 1880.