Meaning not yet researched.
Kailen: US boys given the name each year, 1880 to 2025, from Social Security card applications. 23 in 2025. Its best rank was #2,866 in 2014.
US births per year · SSA card applications
Peaked at #2,866 in 2014; #4,465 in 2025. Every baby recorded as Kailen in 2025 was a boy.
Baby name · US data 1880–2025
#4,465 for US boys in 2025. Its best year was 2014, at #2,866.
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.
Kailen: US boys and girls given the name each year from 1880 to 2025. 23 boys in 2025. Peak: #2,866 in 2014 · most boys in one year: 43 (2023).
In 2025, 23 US boys were named Kailen, making it the 4,465th most common boys’ name of the year, down 1,272 places from #3,193 in 2024. That is 15 fewer than the 38 boys named Kailen in 2024. Its best rank for boys was #2,866, reached in 2014. The most boys given the name in a single year was 43, in 2023. For comparison, it was #4,471 in 2015 and unranked in 1950.
Fewer than five US girls were named Kailen in 2025, so it does not appear in that year’s SSA list for girls. Its best rank for girls was #3,468, reached in 1999. The most girls given the name in a single year was 41, in 2007. For comparison, it was #8,685 in 2015 and unranked in 1950.
Social Security card records list Kailen in 43 years of the 146 from 1880 to 2025, starting in 1983 with 5 babies. In all, 1,673 US babies have been given the name, 44% of them girls and 56% boys. Its busiest decade was the 2000s, with 577 babies named Kailen.
Over the 10 years from 2016 to 2025, 326 US boys were named Kailen; the busiest of those years was 2023, with 43. In 2025 that was about 1 in 74,264 of the boys in SSA’s list for the year.
Related spellings in the SSA files include Kaylin (19,934 babies since 1880), Kaelyn (15,648 babies since 1880), Kailyn (14,351 babies since 1880) and Kaylyn (12,091 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 Kailen 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 | — | — | 23 | #4,465 |
| 2024 | 5 | #16,401 | 38 | #3,193 |
| 2023 | 8 | #11,673 | 43 | #2,918 |
| 2022 | 7 | #12,854 | 27 | #4,042 |
| 2021 | — | — | 40 | #3,048 |
| 2020 | 10 | #9,881 | 36 | #3,168 |
| 2019 | 9 | #10,882 | 31 | #3,606 |
| 2018 | 12 | #8,880 | 27 | #3,939 |
| 2017 | 12 | #9,044 | 25 | #4,174 |
| 2016 | 14 | #8,191 | 36 | #3,189 |
| 2015 | 13 | #8,685 | 22 | #4,471 |
| 2014 | 10 | #10,522 | 41 | #2,866 |
| 2013 | 21 | #6,121 | 28 | #3,703 |
| 2012 | 21 | #6,219 | 30 | #3,586 |
| 2011 | 24 | #5,637 | 25 | #4,048 |
| 2010 | 35 | #4,245 | 30 | #3,584 |
| 2009 | 30 | #4,865 | 33 | #3,370 |
| 2008 | 35 | #4,402 | 36 | #3,195 |
| 2007 | 41 | #3,880 | 28 | #3,744 |
| 2006 | 28 | #5,019 | 33 | #3,274 |
| 2005 | 24 | #5,351 | 33 | #3,126 |
| 2004 | 19 | #6,351 | 24 | #3,802 |
| 2003 | 34 | #3,981 | 27 | #3,406 |
| 2002 | 24 | #4,991 | 30 | #3,054 |
| 2001 | 25 | #4,760 | 24 | #3,566 |
| 2000 | 27 | #4,473 | 22 | #3,701 |
| 1999 | 36 | #3,468 | 28 | #2,983 |
| 1998 | 32 | #3,684 | 25 | #3,149 |
| 1997 | 19 | #5,306 | 18 | #3,813 |
| 1996 | 18 | #5,393 | 14 | #4,501 |
| 1995 | 23 | #4,417 | 14 | #4,403 |
| 1994 | 25 | #4,173 | 10 | #5,666 |
| 1993 | 15 | #6,090 | — | — |
| 1992 | 13 | #6,828 | 10 | #5,439 |
| 1991 | 12 | #7,156 | 9 | #5,737 |
| 1990 | 11 | #7,558 | 6 | #7,628 |
| 1989 | 8 | #9,139 | — | — |
| 1988 | 7 | #9,727 | — | — |
| 1987 | 9 | #7,653 | 9 | #4,752 |
| 1986 | 5 | #11,735 | — | — |
| 1985 | — | — | 5 | #7,066 |
| 1984 | 7 | #8,569 | — | — |
| 1983 | — | — | 5 | #6,774 |
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).