In 2025, 44 US boys were named Mahlon, making it the 2,867th most common boys’ name of the year, up 387 places from #3,254 in 2024. That is 7 more than the 37 boys named Mahlon in 2024. Its best rank for boys was #491, reached in 1896. The most boys given the name in a single year was 95, in 1919. For comparison, it was #2,668 in 2015 and #1,047 in 1950.
Social Security card records list Mahlon in 145 years of the 146 from 1880 to 2025, starting in 1880 with 14 babies. In all, 5,683 US babies have been given the name, 0.4% of them girls and 99.5% boys. Its busiest decade was the 1920s, with 825 babies named Mahlon.
Over the 10 years from 2016 to 2025, 445 US boys were named Mahlon; the busiest of those years was 2018, with 54. In 2025 that was about 1 in 38,820 of the boys in SSA’s list for the year.
Among the states, Mahlon ranked highest in Pennsylvania in 2025, at #822 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Maylin (3,133 babies since 1880), Maelyn (2,490 babies since 1880) and Malin (1,070 babies since 1880). Rarer spellings such as Mailyn, Maylen and Malone are summarised on this page.