In 2025, 14 US boys were named Cadyn, making it the 6,189th most common boys’ name of the year, up 1,149 places from #7,338 in 2024. That is 3 more than the 11 boys named Cadyn in 2024. Its best rank for boys was #1,619, reached in 2006. The most boys given the name in a single year was 94, in 2008. For comparison, it was #2,870 in 2015 and unranked in 1950.
Fewer than five US girls were named Cadyn in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #3,437, reached in 2008. That year also had the most girls given the name: 48. For comparison, it was #13,270 in 2015 and unranked in 1950.
Social Security card records list Cadyn in 30 years of the 146 from 1880 to 2025, starting in 1993 with 6 babies. In all, 1,469 US babies have been given the name, 28% of them girls and 72% boys. Its busiest decade was the 2000s, with 842 babies named Cadyn.
Over the 10 years from 2016 to 2025, 170 US boys were named Cadyn; 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 Caden (72,993 babies since 1880), Kaden (70,701 babies since 1880), Cayden (43,123 babies since 1880) and Caiden (23,862 babies since 1880).