In 2025, 155 US boys were named Dion, making it the 1,268th most common boys’ name of the year, down 148 places from #1,120 in 2024. That is 36 fewer than the 191 boys named Dion in 2024. Its best rank for boys was #338, reached in 1969. The most boys given the name in a single year was 554, in 1970. For comparison, it was #1,284 in 2015 and #1,667 in 1950.
Social Security card records list Dion in 97 years of the 146 from 1880 to 2025, starting in 1929 with 6 babies. In all, 20,164 US babies have been given the name, 6.2% of them girls and 94% boys. Its busiest decade was the 1970s, with 4,478 babies named Dion.
Over the 10 years from 2016 to 2025, 1,811 US boys were named Dion; the busiest of those years was 2022, with 257. In 2025 that was about 1 in 11,020 of the boys in SSA’s list for the year.
Among the states, Dion ranked highest in Maryland in 2025, at #731 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Deion (6,166 babies since 1880), Diane (520,034 babies since 1880), Dean (195,844 babies since 1880) and Deon (16,988 babies since 1880). Rarer spellings such as Diyon are summarised on this page.