In 2025, 37 US girls were named Kylynn, making it the 3,950th most common girls’ name of the year, down 406 places from #3,544 in 2024. That is 7 fewer than the 44 girls named Kylynn in 2024. Its best rank for girls was #2,393, reached in 2015. That year also had the most girls given the name: 77. For comparison, it was #2,393 in 2015 and unranked in 1950.
In 2025, 5 US boys were named Kylynn, making it the 13,099th most common boys’ name of the year, down 3,605 places from #9,494 in 2024. That is 3 fewer than the 8 boys named Kylynn in 2024. Its best rank for boys was #5,585, reached in 2023. That year also had the most boys given the name: 17. For comparison, it was unranked (under five boys) in 2015 and unranked in 1950.
Social Security card records list Kylynn in 40 years of the 146 from 1880 to 2025, starting in 1986 with 7 babies. In all, 1,418 US babies have been given the name, 94% of them girls and 6.1% boys. Its busiest decade was the 2010s, with 619 babies named Kylynn.
Over the 10 years from 2016 to 2025, 489 US girls were named Kylynn; the busiest of those years was 2018, with 73. In 2025 that was about 1 in 43,440 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kylan (11,821 babies since 1880), Kylen (5,424 babies since 1880), Kylian (3,750 babies since 1880) and Kylin (3,449 babies since 1880). Rarer spellings such as Kielynn, Kyelynn and Kyalynn are summarised on this page.