In 2025, 16 US girls were named Dylann, making it the 6,915th most common girls’ name of the year, up 105 places from #7,020 in 2024. That is 0 more than the 16 girls named Dylann in 2024. Its best rank for girls was #2,980, reached in 2016. That year also had the most girls given the name: 56. For comparison, it was #3,401 in 2015 and unranked in 1950.
In 2025, 6 US boys were named Dylann, making it the 11,020th most common boys’ name of the year, down 4,464 places from #6,556 in 2024. That is 7 fewer than the 13 boys named Dylann in 2024. Its best rank for boys was #3,607, reached in 2015. That year also had the most boys given the name: 30. For comparison, it was #3,607 in 2015 and unranked in 1950.
Social Security card records list Dylann in 35 years of the 146 from 1880 to 2025, starting in 1991 with 5 babies. In all, 1,293 US babies have been given the name, 70% of them girls and 30% boys. Its busiest decade was the 2010s, with 655 babies named Dylann.
Over the 10 years from 2016 to 2025, 311 US girls were named Dylann; the busiest of those years was 2016, with 56. In 2025 that was about 1 in 100,454 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Dylan (434,951 babies since 1880), Dilan (6,138 babies since 1880), Dylon (4,517 babies since 1880) and Dyllan (3,802 babies since 1880). Rarer spellings such as Delynn and Delenn are summarised on this page.