In 2025, 7 US girls were named Lin, making it the 12,636th most common girls’ name of the year, up 1,886 places from #14,522 in 2024. That is 1 more than the 6 girls named Lin in 2024. Its best rank for girls was #1,667, reached in 1952. The most girls given the name in a single year was 35, in 1960. For comparison, it was #15,624 in 2015 and #2,220 in 1950.
Fewer than five US boys were named Lin in 2025, so it does not appear in that year’s SSA list for boys. Its best rank for boys was #1,233, reached in 1898. The most boys given the name in a single year was 28, in 1959. For comparison, it was #11,560 in 2015 and #1,857 in 1950.
Social Security card records list Lin in 109 years of the 146 from 1880 to 2025, starting in 1898 with 5 babies. In all, 1,897 US babies have been given the name, 55% of them girls and 45% boys. Its busiest decade was the 1950s, with 474 babies named Lin.
Over the 10 years from 2016 to 2025, 75 US girls were named Lin; the busiest of those years was 2019, with 13. In 2025 that was about 1 in 229,610 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Lina (19,494 babies since 1880), Lyn (8,781 babies since 1880), Linn (2,294 babies since 1880) and Lynn (234,778 babies since 1880).