In 2025, 1,416 US boys were named Mark, making it the 245th most common boys’ name of the year, down 1 place from #244 in 2024. That is 31 fewer than the 1,447 boys named Mark in 2024. Its best rank for boys was #6, reached in 1964. The most boys given the name in a single year was 58,727, in 1960. For comparison, it was #196 in 2015 and #23 in 1950.
Social Security card records list Mark in every one of the 146 years from 1880 to 2025; in 1880 there were 85 babies with the name. In all, 1,366,672 US babies have been given the name, 0.3% of them girls and 99.6% boys. Its busiest decade was the 1960s, with 442,737 babies named Mark.
Over the 10 years from 2016 to 2025, 16,231 US boys were named Mark; the busiest of those years was 2016, with 2,066. In 2025 that was about 1 in 1,206 of the boys in SSA’s list for the year.
Among the states, Mark ranked highest in Alaska in 2025, at #133 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Marcus (242,999 babies since 1880), Marc (141,137 babies since 1880), Marco (76,917 babies since 1880) and Marcos (53,742 babies since 1880). Rarer spellings such as Marck, Marce and March are summarised on this page.