In 2025, 195 US boys were named Marlon, making it the 1,105th most common boys’ name of the year, down 19 places from #1,086 in 2024. That is 6 fewer than the 201 boys named Marlon in 2024. Its best rank for boys was #217, reached in 1972. That year also had the most boys given the name: 1,028. For comparison, it was #819 in 2015 and #968 in 1950.
Social Security card records list Marlon in 111 years of the 146 from 1880 to 2025, starting in 1914 with 5 babies. In all, 31,292 US babies have been given the name, 1.1% of them girls and 99% boys. Its busiest decade was the 1970s, with 7,187 babies named Marlon.
Over the 10 years from 2016 to 2025, 2,389 US boys were named Marlon; the busiest of those years was 2017, with 291. In 2025 that was about 1 in 8,759 of the boys in SSA’s list for the year.
Among the states, Marlon ranked highest in New Jersey in 2025, at #563 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Marion (261,713 babies since 1880), Marlo (10,944 babies since 1880), Marlene (130,932 babies since 1880) and Marlin (22,834 babies since 1880). Rarer spellings such as Mairlyn and Marlyin are summarised on this page.