In 2025, 90 US boys were named Marlin, making it the 1,788th most common boys’ name of the year, up 125 places from #1,913 in 2024. That is 7 more than the 83 boys named Marlin in 2024. Its best rank for boys was #276, reached in 1935. That year also had the most boys given the name: 386. For comparison, it was #1,820 in 2015 and #400 in 1950.
In 2025, 14 US girls were named Marlin, making it the 7,748th most common girls’ name of the year, up 2,253 places from #10,001 in 2024. That is 4 more than the 10 girls named Marlin in 2024. Its best rank for girls was #1,998, reached in 1941. The most girls given the name in a single year was 42, in 1991. For comparison, it was #7,167 in 2015 and #4,195 in 1950.
Social Security card records list Marlin in 132 years of the 146 from 1880 to 2025, starting in 1884 with 6 babies. In all, 22,834 US babies have been given the name, 7.3% of them girls and 93% boys. Its busiest decade was the 1930s, with 3,508 babies named Marlin.
Over the 10 years from 2016 to 2025, 786 US boys were named Marlin; the busiest of those years was 2025, with 90. In 2025 that was about 1 in 18,979 of the boys in SSA’s list for the year.
Among the states, Marlin ranked highest in Wisconsin in 2025, at #665 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Marlyn (9,112 babies since 1880), Marli (2,846 babies since 1880), Marlene (130,932 babies since 1880) and Marlon (31,292 babies since 1880). Rarer spellings such as Mayerlin are summarised on this page.