Fewer than five US girls were named Dee in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #381, reached in 1962. The most girls given the name in a single year was 623, in 1961. For comparison, it was unranked (under five girls) in 2015 and #448 in 1950.
Fewer than five US boys were named Dee in 2025, so it does not appear in that year’s SSA list for boys. Its best rank for boys was #255, reached in 1887. The most boys given the name in a single year was 125, in 1925. For comparison, it was #11,001 in 2015 and #742 in 1950.
Social Security card records list Dee in 140 years of the 146 from 1880 to 2025, starting in 1880 with 26 babies. In all, 23,099 US babies have been given the name, 69% of them girls and 31% boys. Its busiest decade was the 1960s, with 5,509 babies named Dee.
In none of the 10 years from 2016 to 2025 were five or more US girls named Dee.
Related spellings in the SSA files include De (1,322 babies since 1880) and Dia (2,367 babies since 1880). Rarer spellings such as Deo, Dio and Deeya are summarised on this page.