Meaning not yet researched.
Kailyn: US girls given the name each year, 1880 to 2025, from Social Security card applications. 110 in 2025. Its best rank was #397 in 2011.
US births per year · SSA card applications
Peaked at #397 in 2011; #1,825 in 2025. About 93% of babies named Kailyn in 2025 were girls.
Baby name · US data 1880–2025
#1,825 for US girls in 2025. Its best year was 2011, at #397.
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.
Kailyn: US girls given the name each year from 1880 to 2025. 110 girls in 2025. Peak: #397 in 2011 · most girls in one year: 793 (2011).
In 2025, 110 US girls were named Kailyn, making it the 1,825th most common girls’ name of the year, down 245 places from #1,580 in 2024. That is 23 fewer than the 133 girls named Kailyn in 2024. Its best rank for girls was #397, reached in 2011. That year also had the most girls given the name: 793. For comparison, it was #659 in 2015 and unranked in 1950.
Social Security card records list Kailyn in 45 years of the 146 from 1880 to 2025, starting in 1981 with 6 babies. In all, 14,351 US babies have been given the name, 99% of them girls and 1.0% boys. Its busiest decade was the 2000s, with 5,609 babies named Kailyn.
Over the 10 years from 2016 to 2025, 2,093 US girls were named Kailyn; the busiest of those years was 2016, with 355. In 2025 that was about 1 in 14,612 of the girls in SSA’s list for the year.
Among the states, Kailyn ranked highest in South Carolina in 2025, at #843 for girls there. It was not in the top 100 of any state. Related spellings in the SSA files include Kaylin (19,934 babies since 1880), Kaelyn (15,648 babies since 1880), Kaylynn (12,257 babies since 1880) and Kaylyn (12,091 babies since 1880). Rarer spellings such as Kaileen, Cailen and Cailan are summarised on this page.
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.
Wikidata records this spelling as a given name in English. That is where the name is used, not necessarily where it comes from.
Rare spellings summarised here: Kaileen (867), Cailen (448), Cailan (245), Kailynne (240), Kailene (234), Cailon (7), Kailane (7).
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 Kailyn in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US girls. Rank within each state. SSA leaves out states where fewer than five girls got the name, so 43 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| South Carolina | 5 | #843 | #352 |
| Virginia | 5 | #1,275 | #536 |
| North Carolina | 6 | #1,353 | #507 |
| Georgia | 6 | #1,453 | #379 |
| Illinois | 5 | #1,512 | #830 |
| Texas | 15 | #1,576 | #640 |
| Florida | 8 | #1,608 | #544 |
| California | 13 | #1,696 | #1,157 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 110 | #1,825 | 8 | #9,293 |
| 2024 | 133 | #1,580 | 16 | #5,775 |
| 2023 | 155 | #1,443 | 10 | #7,985 |
| 2022 | 158 | #1,425 | 14 | #6,313 |
| 2021 | 180 | #1,282 | 7 | #10,245 |
| 2020 | 193 | #1,196 | — | — |
| 2019 | 247 | #1,038 | 8 | #9,300 |
| 2018 | 264 | #992 | — | — |
| 2017 | 298 | #899 | — | — |
| 2016 | 355 | #803 | — | — |
| 2015 | 436 | #659 | 5 | #13,039 |
| 2014 | 606 | #512 | 7 | #10,175 |
| 2013 | 609 | #492 | 6 | #11,443 |
| 2012 | 623 | #493 | 6 | #11,523 |
| 2011 | 793 | #397 | 6 | #11,555 |
| 2010 | 696 | #443 | 15 | #5,886 |
| 2009 | 706 | #447 | — | — |
| 2008 | 706 | #447 | 7 | #10,458 |
| 2007 | 663 | #491 | 5 | #13,380 |
| 2006 | 626 | #493 | 6 | #11,337 |
| 2005 | 583 | #511 | — | — |
| 2004 | 533 | #533 | — | — |
| 2003 | 499 | #554 | — | — |
| 2002 | 438 | #589 | — | — |
| 2001 | 399 | #627 | — | — |
| 2000 | 431 | #593 | 7 | #8,665 |
| 1999 | 389 | #619 | — | — |
| 1998 | 355 | #651 | 7 | #8,017 |
| 1997 | 306 | #704 | — | — |
| 1996 | 295 | #715 | — | — |
| 1995 | 246 | #807 | — | — |
| 1994 | 246 | #822 | — | — |
| 1993 | 212 | #908 | — | — |
| 1992 | 160 | #1,113 | — | — |
| 1991 | 120 | #1,363 | — | — |
| 1990 | 93 | #1,610 | — | — |
| 1989 | 103 | #1,436 | — | — |
| 1988 | 70 | #1,793 | — | — |
| 1987 | 57 | #1,971 | — | — |
| 1986 | 40 | #2,485 | — | — |
| 1985 | 29 | #3,119 | — | — |
| 1984 | 17 | #4,399 | — | — |
| 1983 | 16 | #4,562 | — | — |
| 1982 | 11 | #6,107 | — | — |
| 1981 | 6 | #9,633 | — | — |
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).