Meaning not yet researched.
Keilyn: US girls given the name each year, 1880 to 2025, from Social Security card applications. 30 in 2025. Its best rank was #2,813 in 2009.
US births per year · SSA card applications
Peaked at #2,813 in 2009; #4,606 in 2025. Every baby recorded as Keilyn in 2025 was a girl.
Baby name · US data 1880–2025
#4,606 for US girls in 2025. Its best year was 2009, at #2,813.
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.
Keilyn: US girls and boys given the name each year from 1880 to 2025. 30 girls in 2025. Peak: #2,813 in 2009 · most girls in one year: 63 (2009).
In 2025, 30 US girls were named Keilyn, making it the 4,606th most common girls’ name of the year, down 1,175 places from #3,431 in 2024. That is 16 fewer than the 46 girls named Keilyn in 2024. Its best rank for girls was #2,813, reached in 2009. That year also had the most girls given the name: 63. For comparison, it was #3,455 in 2015 and unranked in 1950.
Fewer than five US boys were named Keilyn in 2025, so it does not appear in that year’s SSA list for boys. Its best rank for boys was #4,754, reached in 2011. That year also had the most boys given the name: 20. For comparison, it was #9,177 in 2015 and unranked in 1950.
Social Security card records list Keilyn in 35 years of the 146 from 1880 to 2025, starting in 1988 with 6 babies. In all, 1,448 US babies have been given the name, 84% of them girls and 16% boys. Its busiest decade was the 2010s, with 591 babies named Keilyn.
Over the 10 years from 2016 to 2025, 449 US girls were named Keilyn; the busiest of those years was 2020, with 56. In 2025 that was about 1 in 53,576 of the girls in SSA’s list for the year.
Related spellings in the SSA files include Kellen (18,307 babies since 1880), Kellan (11,269 babies since 1880), Keelan (3,942 babies since 1880) and Kellyn (2,209 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 Keilyn 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 | 30 | #4,606 | — | — |
| 2024 | 46 | #3,431 | 6 | #11,686 |
| 2023 | 49 | #3,300 | — | — |
| 2022 | 46 | #3,444 | 6 | #11,622 |
| 2021 | 51 | #3,187 | 10 | #7,882 |
| 2020 | 56 | #2,915 | 11 | #7,266 |
| 2019 | 45 | #3,480 | 9 | #8,548 |
| 2018 | 39 | #3,817 | 8 | #9,245 |
| 2017 | 38 | #3,955 | 7 | #10,257 |
| 2016 | 49 | #3,304 | 8 | #9,296 |
| 2015 | 46 | #3,455 | 8 | #9,177 |
| 2014 | 50 | #3,253 | 10 | #7,864 |
| 2013 | 37 | #4,045 | 8 | #9,246 |
| 2012 | 57 | #2,989 | 13 | #6,500 |
| 2011 | 62 | #2,816 | 20 | #4,754 |
| 2010 | 60 | #2,882 | 17 | #5,369 |
| 2009 | 63 | #2,813 | 9 | #8,686 |
| 2008 | 43 | #3,745 | 9 | #8,675 |
| 2007 | 60 | #2,975 | 12 | #6,875 |
| 2006 | 42 | #3,698 | 14 | #5,956 |
| 2005 | 31 | #4,426 | 6 | #10,817 |
| 2004 | 26 | #5,003 | 6 | #10,695 |
| 2003 | 20 | #5,927 | — | — |
| 2002 | 30 | #4,223 | 6 | #10,071 |
| 2001 | 23 | #5,091 | 8 | #7,960 |
| 2000 | 11 | #8,874 | 9 | #7,126 |
| 1999 | 17 | #6,059 | 5 | #10,807 |
| 1998 | 16 | #6,215 | 5 | #10,491 |
| 1997 | 19 | #5,316 | — | — |
| 1996 | 9 | #9,175 | 6 | #8,490 |
| 1995 | 10 | #8,409 | — | — |
| 1994 | 12 | #7,349 | — | — |
| 1993 | 8 | #10,050 | — | — |
| 1991 | 5 | #14,221 | — | — |
| 1988 | 6 | #11,027 | — | — |
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).