In 2025, 66 US girls were named Delylah, making it the 2,619th most common girls’ name of the year, down 31 places from #2,588 in 2024. That is 2 fewer than the 68 girls named Delylah in 2024. Its best rank for girls was #1,951, reached in 2020. That year also had the most girls given the name: 98. For comparison, it was #2,284 in 2015 and unranked in 1950.
Social Security card records list Delylah in 27 years of the 146 from 1880 to 2025, starting in 1999 with 11 babies. In all, 1,656 US babies have been given the name, all of them girls. Its busiest decade was the 2010s, with 828 babies named Delylah.
Over the 10 years from 2016 to 2025, 840 US girls were named Delylah; the busiest of those years was 2020, with 98. In 2025 that was about 1 in 24,353 of the girls in SSA’s list for the year.
Among the states, Delylah ranked highest in California in 2025, at #1,768 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Delilah (66,683 babies since 1880) and Delila (3,574 babies since 1880).