In 2025, 214 US boys were named Kelvin, making it the 1,036th most common boys’ name of the year, up 47 places from #1,083 in 2024. That is 13 more than the 201 boys named Kelvin in 2024. Its best rank for boys was #207, reached in 1965. The most boys given the name in a single year was 1,370, in 1961. For comparison, it was #652 in 2015 and #576 in 1950.
Social Security card records list Kelvin in 105 years of the 146 from 1880 to 2025, starting in 1912 with 6 babies. In all, 51,855 US babies have been given the name, 0.6% of them girls and 99% boys. Its busiest decade was the 1960s, with 11,952 babies named Kelvin.
Over the 10 years from 2016 to 2025, 2,659 US boys were named Kelvin; the busiest of those years was 2016, with 336. In 2025 that was about 1 in 7,982 of the boys in SSA’s list for the year.
Among the states, Kelvin ranked highest in Mississippi in 2025, at #448 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kalvin (6,726 babies since 1880). Rarer spellings such as Kelvon, Kelvyn and Kelven are summarised on this page.