In 2025, 109 US boys were named Kalvin, making it the 1,567th most common boys’ name of the year, up 219 places from #1,786 in 2024. That is 17 more than the 92 boys named Kalvin in 2024. Its best rank for boys was #907, reached in 1988. The most boys given the name in a single year was 177, in 2017. For comparison, it was #1,136 in 2015 and #1,850 in 1950.
Social Security card records list Kalvin in 84 years of the 146 from 1880 to 2025, starting in 1933 with 5 babies. In all, 6,726 US babies have been given the name, all of them boys. Its busiest decade was the 2010s, with 1,469 babies named Kalvin.
Over the 10 years from 2016 to 2025, 1,345 US boys were named Kalvin; the busiest of those years was 2017, with 177. In 2025 that was about 1 in 15,670 of the boys in SSA’s list for the year.
Among the states, Kalvin ranked highest in Illinois in 2025, at #974 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Calvin (222,287 babies since 1880) and Kelvin (51,855 babies since 1880).