In 2025, 14 US boys were named Kalin, making it the 6,274th most common boys’ name of the year, up 1,762 places from #8,036 in 2024. That is 4 more than the 10 boys named Kalin in 2024. Its best rank for boys was #1,185, reached in 1994. That year also had the most boys given the name: 94. For comparison, it was #4,029 in 2015 and unranked in 1950.
Fewer than five US girls were named Kalin in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #1,838, reached in 1998. That year also had the most girls given the name: 84. For comparison, it was #6,580 in 2015 and unranked in 1950.
Social Security card records list Kalin in 63 years of the 146 from 1880 to 2025, starting in 1959 with 7 babies. In all, 3,416 US babies have been given the name, 44% of them girls and 56% boys. Its busiest decade was the 1990s, with 1,266 babies named Kalin.
Over the 10 years from 2016 to 2025, 212 US boys were named Kalin; the busiest of those years was 2016, with 33. In 2025 that was about 1 in 122,005 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Kaylin (19,934 babies since 1880), Kaelyn (15,648 babies since 1880), Kailyn (14,351 babies since 1880) and Kaylyn (12,091 babies since 1880).