In 2025, 46 US boys were named Arlin, making it the 2,768th most common boys’ name of the year, down 345 places from #2,423 in 2024. That is 11 fewer than the 57 boys named Arlin in 2024. Its best rank for boys was #641, reached in 1935. That year also had the most boys given the name: 85. For comparison, it was #3,596 in 2015 and #949 in 1950.
In 2025, 6 US girls were named Arlin, making it the 13,370th most common girls’ name of the year, down 3,011 places from #10,359 in 2024. That is 3 fewer than the 9 girls named Arlin in 2024. Its best rank for girls was #3,250, reached in 2002. That year also had the most girls given the name: 43. For comparison, it was #10,236 in 2015 and unranked in 1950.
Social Security card records list Arlin in 116 years of the 146 from 1880 to 2025, starting in 1910 with 9 babies. In all, 4,884 US babies have been given the name, 17% of them girls and 83% boys. Its busiest decade was the 1930s, with 729 babies named Arlin.
Over the 10 years from 2016 to 2025, 351 US boys were named Arlin; the busiest of those years was 2024, with 57. In 2025 that was about 1 in 37,132 of the boys in SSA’s list for the year.
Among the states, Arlin ranked highest in Pennsylvania in 2025, at #1,107 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Arlyn (4,525 babies since 1880), Arlene (143,371 babies since 1880), Arline (17,626 babies since 1880) and Arleen (12,617 babies since 1880).