In 2025, 311 US boys were named Keith, making it the 801st most common boys’ name of the year, down 45 places from #756 in 2024. That is 26 fewer than the 337 boys named Keith in 2024. Its best rank for boys was #32, reached in 1966. The most boys given the name in a single year was 12,437, in 1957. For comparison, it was #424 in 2015 and #78 in 1950.
Social Security card records list Keith in 137 years of the 146 from 1880 to 2025, starting in 1888 with 6 babies. In all, 440,123 US babies have been given the name, 0.5% of them girls and 99% boys. Its busiest decade was the 1960s, with 113,110 babies named Keith.
Over the 10 years from 2016 to 2025, 4,638 US boys were named Keith; the busiest of those years was 2016, with 634. In 2025 that was about 1 in 5,492 of the boys in SSA’s list for the year.
Among the states, Keith ranked highest in Missouri in 2025, at #477 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kit (6,262 babies since 1880) and Kieth (2,837 babies since 1880). Rarer spellings such as Kitt, Keath and Keyth are summarised on this page.