Locklyn first appears in the U.S. registration record in 2011. Its popularity climbed over the following decades. In 2014, 51 babies received the name (ranked #3209). Today it sits well outside the top 1,000 (around #4857), with roughly 32 babies named Locklyn each year. Locklyn's usage has held roughly steady recently. In total, around 470 babies have been registered with this name since 1880.