In 2025, 64 US girls were named Dailyn, making it the 2,700th most common girls’ name of the year, down 234 places from #2,466 in 2024. That is 9 fewer than the 73 girls named Dailyn in 2024. Its best rank for girls was #1,140, reached in 2020. That year also had the most girls given the name: 208. For comparison, it was #3,668 in 2015 and unranked in 1950.
In 2025, 17 US boys were named Dailyn, making it the 5,433rd most common boys’ name of the year, down 971 places from #4,462 in 2024. That is 6 fewer than the 23 boys named Dailyn in 2024. Its best rank for boys was #4,302, reached in 2020. The most boys given the name in a single year was 23, in 2024. For comparison, it was #5,797 in 2015 and unranked in 1950.
Social Security card records list Dailyn in 36 years of the 146 from 1880 to 2025, starting in 1975 with 5 babies. In all, 2,288 US babies have been given the name, 82% of them girls and 18% boys. Its busiest decade was the 2010s, with 850 babies named Dailyn.
Over the 10 years from 2016 to 2025, 1,080 US girls were named Dailyn; the busiest of those years was 2020, with 208. In 2025 that was about 1 in 25,114 of the girls in SSA’s list for the year.
Among the states, Dailyn ranked highest in Texas in 2025, at #1,642 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Dallin (5,197 babies since 1880), Daylen (4,330 babies since 1880), Daylin (3,824 babies since 1880) and Daylon (3,294 babies since 1880). Rarer spellings such as Dailynne are summarised on this page.