Souline first appears in the U.S. registration record in 2020. Its popularity climbed over the following decades. In 2021, 86 babies received the name (ranked #2181). Today it sits well outside the top 1,000 (around #2860), with roughly 63 babies named Souline each year. Souline's usage has held roughly steady recently. In total, around 313 babies have been registered with this name since 1880.