In 2025, 14 US boys were named Dain, making it the 6,197th most common boys’ name of the year, down 916 places from #5,281 in 2024. That is 4 fewer than the 18 boys named Dain in 2024. Its best rank for boys was #1,115, reached in 1978. That year also had the most boys given the name: 62. For comparison, it was #5,099 in 2015 and #3,089 in 1950.
Social Security card records list Dain in 80 years of the 146 from 1880 to 2025, starting in 1943 with 5 babies. In all, 1,997 US babies have been given the name, all of them boys. Its busiest decade was the 1980s, with 455 babies named Dain.
Over the 10 years from 2016 to 2025, 136 US boys were named Dain; the busiest of those years was 2018, with 20. In 2025 that was about 1 in 122,005 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Dan (107,130 babies since 1880), Dane (33,979 babies since 1880), Dayne (4,091 babies since 1880) and Dann (2,234 babies since 1880). Rarer spellings such as Daiyan, Daiyon and Dahian are summarised on this page.