In 2025, 10 US girls were named Delphia, making it the 9,611th most common girls’ name of the year, up 6,271 places from #15,882 in 2024. That is 5 more than the 5 girls named Delphia in 2024. Its best rank for girls was #466, reached in 1893. The most girls given the name in a single year was 116, in 1924. For comparison, it was #14,976 in 2015 and #1,965 in 1950.
Social Security card records list Delphia in 114 years of the 146 from 1880 to 2025, starting in 1880 with 7 babies. In all, 4,251 US babies have been given the name, all of them girls. Its busiest decade was the 1920s, with 938 babies named Delphia.
Over the 10 years from 2016 to 2025, 31 US girls were named Delphia; the busiest of those years was 2025, with 10. In 2025 that was about 1 in 160,727 of the girls in SSA’s list for the year.
Rarer spellings such as Delphie and Delphi are summarised on this page.