Delancey first appears in the U.S. registration record in 1967. Its popularity climbed over the following decades. In 2016, 9 babies received the name (ranked #11092). Today it sits well outside the top 1,000 (around #14467), with roughly 6 babies named Delancey each year. Delancey's usage has held roughly steady recently. In total, around 122 babies have been registered with this name since 1880.