In 2025, 4,137 US girls were named Delilah, making it the 51st most common girls’ name of the year, down 1 place from #50 in 2024. That is 117 fewer than the 4,254 girls named Delilah in 2024. Its best rank for girls was #50, reached in 2024. That year also had the most girls given the name: 4,254. For comparison, it was #115 in 2015 and #756 in 1950.
Social Security card records list Delilah in every one of the 146 years from 1880 to 2025; in 1880 there were 10 babies with the name. In all, 66,683 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 25,018 babies named Delilah.
Over the 10 years from 2016 to 2025, 35,310 US girls were named Delilah; the busiest of those years was 2024, with 4,254. In 2025 that was about 1 in 389 of the girls in SSA’s list for the year.
Among the states, Delilah ranked highest in Mississippi in 2025, at #23 for girls there. It was in the top 100 in 44 states (counting DC). Related spellings in the SSA files include Dalilah (5,135 babies since 1880), Delila (3,574 babies since 1880) and Delylah (1,656 babies since 1880). Rarer spellings such as Delyla, Delaila and Delailah are summarised on this page. The open nickname list we use links it to Dell, Della, Lil and Lila.