Ileana first appears in the U.S. registration record in 1918. Its popularity climbed over the following decades. In 1991, 141 babies received the name (ranked #1222). Today it sits well outside the top 1,000 (around #2216), with roughly 86 babies named Ileana each year. Ileana's usage has held roughly steady recently. In total, around 5,565 babies have been registered with this name since 1880.