Kalev first appears in the U.S. registration record in 2000. Its popularity climbed over the following decades. In 2014, 21 babies received the name (ranked #4621). Today it sits well outside the top 1,000 (around #6845), with roughly 13 babies named Kalev each year. Kalev's usage has held roughly steady recently. In total, around 234 babies have been registered with this name since 1880.