In 2025, 54 US girls were named Keylin, making it the 3,050th most common girls’ name of the year, up 262 places from #3,312 in 2024. That is 6 more than the 48 girls named Keylin in 2024. Its best rank for girls was #2,265, reached in 2022. That year also had the most girls given the name: 83. For comparison, it was #3,369 in 2015 and unranked in 1950.
Fewer than five US boys were named Keylin in 2025, so it does not appear in that year’s SSA list for boys. Its best rank for boys was #4,261, reached in 2002. The most boys given the name in a single year was 21, in 2014. For comparison, it was #6,161 in 2015 and unranked in 1950.
Social Security card records list Keylin in 32 years of the 146 from 1880 to 2025, starting in 1992 with 7 babies. In all, 1,495 US babies have been given the name, 79% of them girls and 21% boys. Its busiest decade was the 2010s, with 631 babies named Keylin.
Over the 10 years from 2016 to 2025, 567 US girls were named Keylin; the busiest of those years was 2022, with 83. In 2025 that was about 1 in 29,764 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kellen (18,307 babies since 1880), Kylan (11,821 babies since 1880), Kellan (11,269 babies since 1880) and Kylen (5,424 babies since 1880).