Brax first appears in the U.S. registration record in 2006. Its popularity climbed over the following decades. In 2019, 36 babies received the name (ranked #3210). Today it sits well outside the top 1,000 (around #4011), with roughly 28 babies named Brax each year. Brax's usage has held roughly steady recently. In total, around 401 babies have been registered with this name since 1880.