Eyleen first appears in the U.S. registration record in 1924. Its popularity climbed over the following decades. In 2021, 23 babies received the name (ranked #5455). Today it sits well outside the top 1,000 (around #7340), with roughly 16 babies named Eyleen each year. Eyleen's usage has held roughly steady recently. In total, around 336 babies have been registered with this name since 1880.