In 2025, 36 US girls were named Arlyn, making it the 3,987th most common girls’ name of the year, down 467 places from #3,520 in 2024. That is 8 fewer than the 44 girls named Arlyn in 2024. Its best rank for girls was #1,582, reached in 1937. The most girls given the name in a single year was 59, in 2007. For comparison, it was #3,537 in 2015 and #2,784 in 1950.
In 2025, 16 US boys were named Arlyn, making it the 5,630th most common boys’ name of the year, up 592 places from #6,222 in 2024. That is 2 more than the 14 boys named Arlyn in 2024. Its best rank for boys was #738, reached in 1939. That year also had the most boys given the name: 66. For comparison, it was #8,804 in 2015 and #1,184 in 1950.
Social Security card records list Arlyn in 114 years of the 146 from 1880 to 2025, starting in 1912 with 5 babies. In all, 4,525 US babies have been given the name, 52% of them girls and 48% boys. Its busiest decade was the 1930s, with 603 babies named Arlyn.
Over the 10 years from 2016 to 2025, 407 US girls were named Arlyn; the busiest of those years was 2022, with 49. In 2025 that was about 1 in 44,646 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Arlin (4,884 babies since 1880), Arly (895 babies since 1880), Arlene (143,371 babies since 1880) and Arline (17,626 babies since 1880).