Meaning not yet researched.
Declyn: US boys given the name each year, 1880 to 2025, from Social Security card applications. 22 in 2025. Its best rank was #2,896 in 2016.
US births per year · SSA card applications
Peaked at #2,896 in 2016; #4,575 in 2025. About 56% of babies named Declyn in 2025 were boys.
Baby name · US data 1880–2025
#4,575 for US boys in 2025. Its best year was 2016, at #2,896.
Hover, tap or use the arrow keys for any year. Years with fewer than five babies of a sex are not published by SSA and show as zero.
Declyn: US boys and girls given the name each year from 1880 to 2025. 22 boys in 2025. Peak: #2,896 in 2016 · most boys in one year: 41 (2016).
In 2025, 22 US boys were named Declyn, making it the 4,575th most common boys’ name of the year, up 535 places from #5,110 in 2024. That is 3 more than the 19 boys named Declyn in 2024. Its best rank for boys was #2,896, reached in 2016. That year also had the most boys given the name: 41. For comparison, it was #3,534 in 2015 and unranked in 1950.
In 2025, 17 US girls were named Declyn, making it the 6,607th most common girls’ name of the year, down 608 places from #5,999 in 2024. That is 3 fewer than the 20 girls named Declyn in 2024. Its best rank for girls was #4,572, reached in 2020. The most girls given the name in a single year was 30, in 2018. For comparison, it was #5,705 in 2015 and unranked in 1950.
Social Security card records list Declyn in 19 years of the 146 from 1880 to 2025, starting in 2004 with 5 babies. In all, 768 US babies have been given the name, 40% of them girls and 60% boys. Its busiest decade was the 2010s, with 444 babies named Declyn.
Over the 10 years from 2016 to 2025, 311 US boys were named Declyn; the busiest of those years was 2016, with 41. In 2025 that was about 1 in 77,640 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Declan (58,950 babies since 1880), Deklan (2,484 babies since 1880) and Deklyn (975 babies since 1880).
Meaning not yet researched.
We publish a meaning only with a cited source and a confidence label, and never generate one. Meanings are being researched for the most common names first.
Numbers are all-time US births. Links come from Wikidata’s “said to be the same as” (P460, CC0) and our spelling rule: at most two letters different, with the same sound pattern.
No nicknames listed for Declyn in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 17 | #6,607 | 22 | #4,575 |
| 2024 | 20 | #5,999 | 19 | #5,110 |
| 2023 | 18 | #6,483 | 28 | #3,915 |
| 2022 | 19 | #6,276 | 34 | #3,426 |
| 2021 | 25 | #5,125 | 39 | #3,087 |
| 2020 | 29 | #4,572 | 30 | #3,593 |
| 2019 | 16 | #7,113 | 28 | #3,821 |
| 2018 | 30 | #4,589 | 40 | #2,959 |
| 2017 | 24 | #5,410 | 30 | #3,606 |
| 2016 | 20 | #6,236 | 41 | #2,896 |
| 2015 | 23 | #5,705 | 31 | #3,534 |
| 2014 | 21 | #6,041 | 30 | #3,552 |
| 2013 | 9 | #11,249 | 27 | #3,774 |
| 2012 | 16 | #7,545 | 18 | #5,082 |
| 2011 | 9 | #11,433 | 19 | #4,856 |
| 2010 | — | — | 12 | #6,776 |
| 2009 | 6 | #15,734 | 7 | #10,109 |
| 2007 | — | — | 6 | #11,257 |
| 2004 | 5 | #16,779 | — | — |
About the data: counts are Social Security card applications for US births, for names given to at least five babies of a sex in a year (SSA, names.zip, public domain). Ranks follow SSA’s own order: most births first, ties alphabetical. Files retrieved 2026-10-05 (checksum on our sources page).