In 2025, 2,876 US boys were named Dean, making it the 125th most common boys’ name of the year, up 17 places from #142 in 2024. That is 327 more than the 2,549 boys named Dean in 2024. Its best rank for boys was #78, reached in 1968. The most boys given the name in a single year was 4,933, in 1961. For comparison, it was #204 in 2015 and #120 in 1950.
Social Security card records list Dean in every one of the 146 years from 1880 to 2025; in 1880 there were 14 babies with the name. In all, 195,844 US babies have been given the name, 1.5% of them girls and 99% boys. Its busiest decade was the 1960s, with 42,811 babies named Dean.
Over the 10 years from 2016 to 2025, 23,022 US boys were named Dean; the busiest of those years was 2025, with 2,876. In 2025 that was about 1 in 594 of the boys in SSA’s list for the year.
Among the states, Dean ranked highest in South Dakota in 2025, at #30 for boys there. It was in the top 100 in 14 states (counting DC). Related spellings in the SSA files include Deen (996 babies since 1880), Diane (520,034 babies since 1880), Dion (20,164 babies since 1880) and Deon (16,988 babies since 1880). Rarer spellings such as Deyon, Dyon and Deaun are summarised on this page.