Haelyn first appears in the U.S. registration record in 2004. Its popularity climbed over the following decades. In 2018, 48 babies received the name (ranked #3308). Today it sits well outside the top 1,000 (around #5485), with roughly 28 babies named Haelyn each year. Haelyn's usage has held roughly steady recently. In total, around 407 babies have been registered with this name since 1880.