Alen first appears in the U.S. registration record in 1918. Its popularity climbed over the following decades. In 2005, 83 babies received the name (ranked #1635). Today it sits well outside the top 1,000 (around #2917), with roughly 42 babies named Alen each year. Alen's usage has held roughly steady recently. In total, around 2,335 babies have been registered with this name since 1880.