Meaning not yet researched.
Kaidyn: US boys given the name each year, 1880 to 2025, from Social Security card applications. 67 in 2025. Its best rank was #1,043 in 2012.
US births per year · SSA card applications
Peaked at #1,043 in 2012; #2,157 in 2025. About 86% of babies named Kaidyn in 2025 were boys.
Baby name · US data 1880–2025
#2,157 for US boys in 2025. Its best year was 2012, at #1,043.
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.
Kaidyn: US boys and girls given the name each year from 1880 to 2025. 67 boys in 2025. Peak: #1,043 in 2012 · most boys in one year: 190 (2014).
In 2025, 67 US boys were named Kaidyn, making it the 2,157th most common boys’ name of the year, down 246 places from #1,911 in 2024. That is 16 fewer than the 83 boys named Kaidyn in 2024. Its best rank for boys was #1,043, reached in 2012. The most boys given the name in a single year was 190, in 2014. For comparison, it was #1,186 in 2015 and unranked in 1950.
In 2025, 11 US girls were named Kaidyn, making it the 9,144th most common girls’ name of the year, down 2,064 places from #7,080 in 2024. That is 5 fewer than the 16 girls named Kaidyn in 2024. Its best rank for girls was #1,924, reached in 2009. That year also had the most girls given the name: 109. For comparison, it was #2,866 in 2015 and unranked in 1950.
Social Security card records list Kaidyn in 28 years of the 146 from 1880 to 2025, starting in 1998 with 6 babies. In all, 4,061 US babies have been given the name, 33% of them girls and 67% boys. Its busiest decade was the 2010s, with 2,225 babies named Kaidyn.
Over the 10 years from 2016 to 2025, 1,145 US boys were named Kaidyn; the busiest of those years was 2019, with 156. In 2025 that was about 1 in 25,494 of the boys in SSA’s list for the year.
Among the states, Kaidyn ranked highest in Florida in 2025, at #1,162 for boys there. It was not in the top 100 of any state. Related spellings in the SSA files include Kayden (81,717 babies since 1880), Kaden (70,701 babies since 1880), Kaiden (54,156 babies since 1880) and Caiden (23,862 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 Kaidyn in the open dataset we use.
Source: carltonnorthern/nicknames (Apache-2.0).
US boys. Rank within each state. SSA leaves out states where fewer than five boys got the name, so 49 are not listed.
| State | Births 2025 | Rank 2025 | Rank 2015 |
|---|---|---|---|
| Florida | 11 | #1,162 | #1,150 |
| California | 6 | #2,333 | #2,420 |
Births and national rank for each year SSA lists the name, newest first.
| Year | Girls | Girls rank | Boys | Boys rank |
|---|---|---|---|---|
| 2025 | 11 | #9,144 | 67 | #2,157 |
| 2024 | 16 | #7,080 | 83 | #1,911 |
| 2023 | 14 | #7,820 | 123 | #1,468 |
| 2022 | 21 | #5,868 | 108 | #1,616 |
| 2021 | 17 | #6,834 | 100 | #1,661 |
| 2020 | 25 | #5,088 | 113 | #1,500 |
| 2019 | 30 | #4,601 | 156 | #1,220 |
| 2018 | 43 | #3,589 | 139 | #1,312 |
| 2017 | 42 | #3,664 | 100 | #1,609 |
| 2016 | 47 | #3,397 | 156 | #1,213 |
| 2015 | 61 | #2,866 | 156 | #1,186 |
| 2014 | 80 | #2,316 | 190 | #1,051 |
| 2013 | 87 | #2,161 | 162 | #1,120 |
| 2012 | 93 | #2,069 | 185 | #1,043 |
| 2011 | 101 | #1,959 | 161 | #1,128 |
| 2010 | 97 | #2,048 | 139 | #1,260 |
| 2009 | 109 | #1,924 | 131 | #1,326 |
| 2008 | 91 | #2,196 | 124 | #1,377 |
| 2007 | 74 | #2,527 | 95 | #1,630 |
| 2006 | 67 | #2,683 | 69 | #1,958 |
| 2005 | 66 | #2,587 | 52 | #2,284 |
| 2004 | 57 | #2,824 | 54 | #2,178 |
| 2003 | 32 | #4,151 | 33 | #2,965 |
| 2002 | 21 | #5,567 | 24 | #3,618 |
| 2001 | 12 | #8,454 | 9 | #7,210 |
| 2000 | — | — | 6 | #9,695 |
| 1999 | — | — | 6 | #9,293 |
| 1998 | 6 | #13,203 | — | — |
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).